/* BiomAPI Component Styles - Reusable UI Components */

/* ===== MAIN CONTAINER ===== */
.main-container {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255, 255, 255, 0.18);
    padding: var(--spacing-xl);
    margin: 0 auto;
    max-width: 900px;
    position: relative;
}

@media (max-width: 768px) {
    .main-container {
        padding: var(--spacing-lg);
        margin: 0 auto;
        border-radius: 15px;
    }
}

@media (max-width: 420px) {
    .main-container {
        width: 100%;
        max-width: none;
        padding: var(--spacing-md);
        margin: 0;
        background: var(--color-bg-white);
        backdrop-filter: none;
        border: 0;
        border-radius: 0;
        box-shadow: none;
    }
}

/* ===== CARDS ===== */
.card {
    border: none;
    border-radius: 15px;
    box-shadow: var(--shadow-md);
    background-color: var(--color-bg-white);
    margin-bottom: var(--spacing-lg);
}

.card-header {
    border-radius: 15px 15px 0 0 !important;
    background: var(--gradient-primary);
    color: white !important;
    border: none;
    font-weight: 600;
    padding: 1rem 1.5rem;
}

.card-header h5,
.card-header h5 i {
    color: white !important;
}

.card-body {
    padding: 1.5rem;
}

/* Specific card variants */
.results-card {
    height: auto;
    min-height: 250px;
}

.results-card .card-body {
    min-height: 200px;
    height: auto;
}

/* Primary workflow shells */
.upload-card,
.results-card {
    border: 1px solid var(--panel-border);
    background: var(--panel-surface);
    box-shadow: var(--panel-shadow);
}

.upload-card > .card-header,
.results-card > .card-header {
    position: relative;
    z-index: 1;
    border-bottom: 1px solid rgba(79, 70, 229, 0.24);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.2),
        0 2px 5px rgba(79, 70, 229, 0.14);
}

/* ===== BUTTONS ===== */
.btn {
    --button-shadow-color: 15, 23, 42;
    border: 1px solid var(--control-border);
    border-radius: var(--control-radius);
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    background: var(--control-surface);
    box-shadow:
        0 1px 2px rgba(15, 23, 42, 0.08),
        0 3px 7px rgba(var(--button-shadow-color), 0.09),
        var(--control-highlight);
    transition: var(--control-transition);
    cursor: pointer;
    font-size: 1rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transform: translateY(0);
}

.btn:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.btn:active:not(:disabled) {
    box-shadow:
        0 1px 2px rgba(var(--button-shadow-color), 0.12),
        inset 0 2px 4px rgba(var(--button-shadow-color), 0.22);
    transform: translateY(1px);
}

.btn:disabled,
.btn.disabled {
    box-shadow: var(--control-shadow-disabled);
    opacity: 0.58;
    cursor: not-allowed;
    pointer-events: none;
    transform: none;
}

/* Filled variants */
.btn-primary,
.btn-purple {
    --button-shadow-color: 79, 70, 229;
    background: linear-gradient(180deg, #7586e9 0%, #6855b7 100%);
    color: white;
    border-color: rgba(79, 70, 229, 0.58);
}

.btn-secondary {
    --button-shadow-color: 71, 85, 105;
    background: linear-gradient(180deg, #7f8997 0%, #667180 100%);
    border-color: #5c6674;
    color: #ffffff;
}

.btn-success {
    --button-shadow-color: 5, 150, 105;
    background: linear-gradient(180deg, #20c590 0%, #079b6e 100%);
    border-color: #059669;
    color: #ffffff;
}

.btn-warning {
    --button-shadow-color: 217, 119, 6;
    background: linear-gradient(180deg, #fbdc7f 0%, #f3ad18 100%);
    border-color: #d97706;
    color: #3f2b05;
}

.btn-danger {
    --button-shadow-color: 220, 38, 38;
    background: linear-gradient(180deg, #e96370 0%, #c92e3d 100%);
    border-color: #b91c1c;
    color: #ffffff;
}

/* Outline variants */
.btn-outline-primary {
    --button-shadow-color: 79, 70, 229;
    background: linear-gradient(180deg, #ffffff 0%, #f3f4ff 100%);
    border: 1px solid rgba(102, 126, 234, 0.72);
    color: var(--color-primary);
}

.btn-outline-secondary {
    --button-shadow-color: 71, 85, 105;
    background: var(--control-surface);
    border: 1px solid rgba(108, 117, 125, 0.7);
    color: #5f6975;
}

.btn-outline-danger {
    --button-shadow-color: 220, 38, 38;
    background: linear-gradient(180deg, #ffffff 0%, #fff5f5 100%);
    border: 1px solid rgba(220, 53, 69, 0.78);
    color: var(--color-danger);
}

.btn-link {
    background: transparent;
    border-color: transparent;
    box-shadow: none;
    text-shadow: none;
}

@media (hover: hover) and (pointer: fine) {
    .btn:hover:not(:disabled):not(.disabled) {
        box-shadow:
            0 2px 3px rgba(15, 23, 42, 0.08),
            0 3px 7px rgba(var(--button-shadow-color), 0.11),
            var(--control-highlight);
        transform: translateY(-1px);
    }

    .btn-primary:hover:not(:disabled),
    .btn-purple:hover:not(:disabled) {
        background: linear-gradient(180deg, #7f8fec 0%, #705dbf 100%);
        border-color: rgba(79, 70, 229, 0.7);
        color: #ffffff;
    }

    .btn-secondary:hover:not(:disabled) {
        background: linear-gradient(180deg, #8993a1 0%, #6d7887 100%);
        border-color: #566170;
        color: #ffffff;
    }

    .btn-success:hover:not(:disabled) {
        background: linear-gradient(180deg, #2bca98 0%, #0aa574 100%);
        border-color: #047857;
        color: #ffffff;
    }

    .btn-warning:hover:not(:disabled) {
        background: linear-gradient(180deg, #fce5a1 0%, #f4b72b 100%);
        border-color: #d97706;
        color: #3f2b05;
    }

    .btn-danger:hover:not(:disabled) {
        background: linear-gradient(180deg, #ed707c 0%, #d13645 100%);
        border-color: #b91c1c;
        color: #ffffff;
    }

    .btn-outline-primary:hover:not(:disabled) {
        background: linear-gradient(180deg, #7586e9 0%, #6855b7 100%);
        border-color: var(--color-primary);
        color: #ffffff;
    }

    .btn-outline-secondary:hover:not(:disabled) {
        background: linear-gradient(180deg, #7f8997 0%, #667180 100%);
        border-color: #5c6674;
        color: #ffffff;
    }

    .btn-outline-danger:hover:not(:disabled) {
        background: linear-gradient(180deg, #e96370 0%, #c92e3d 100%);
        border-color: #b91c1c;
        color: #ffffff;
    }
}

/* Button sizes */
.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

/* Full width button */
.w-100 {
    width: 100%;
}

/* Close button */
.btn-close {
    display: inline-flex;
    width: 2.1rem;
    height: 2.1rem;
    align-items: center;
    justify-content: center;
    padding: 0;
    border: 1px solid var(--control-border);
    border-radius: 50%;
    background: var(--control-surface);
    background-image: none;
    box-shadow: var(--control-shadow);
    color: #64748b;
    font-size: 1rem;
    cursor: pointer;
    opacity: 1;
    transition: var(--control-transition);
    transform: translateY(0);
}

.btn-close::before {
    content: "\00d7";
    font-size: 1.35rem;
    font-weight: 500;
    line-height: 1;
}

.btn-close > i {
    display: none;
}

.btn-close:active {
    box-shadow: var(--control-shadow-pressed);
    transform: translateY(1px);
}

.btn-close:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

@media (hover: hover) and (pointer: fine) {
    .btn-close:hover {
        border-color: rgba(102, 126, 234, 0.3);
        background: var(--control-surface-hover);
        box-shadow: var(--control-shadow-hover);
        color: var(--color-primary-dark);
        opacity: 1;
        transform: translateY(-1px);
    }
}

/* ===== FORM CONTROLS ===== */
.form-label {
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--color-text-dark);
    display: block;
}

.form-control,
.form-select {
    border-radius: 10px;
    border: 2px solid #e5e7eb;
    padding: 0.75rem;
    width: 100%;
    font-size: 1rem;
    font-family: inherit;
    transition: all var(--transition-fast);
    background-color: var(--color-bg-white);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
    outline: none;
}

.form-control-lg {
    padding: 1rem;
    font-size: 1.125rem;
}

.form-control-sm {
    padding: 0.5rem;
    font-size: 0.875rem;
}

.form-text {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-top: 0.25rem;
}

/* Form check (checkboxes, radio) */
.form-check {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.form-check-input {
    width: 1.25rem;
    height: 1.25rem;
    margin-right: var(--spacing-sm);
    cursor: pointer;
}

.form-check-input:checked {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

.form-check-label {
    cursor: pointer;
    user-select: none;
}

/* ===== ALERTS ===== */
.alert {
    border-radius: 10px;
    border: none;
    padding: 1rem 1.5rem;
    margin-bottom: var(--spacing-md);
    font-size: 0.95rem;
}

.alert-success {
    background-color: rgba(16, 185, 129, 0.1);
    color: #065f46;
    border-left: 4px solid var(--color-success);
}

.alert-danger {
    background-color: rgba(220, 53, 69, 0.1);
    color: #991b1b;
    border-left: 4px solid var(--color-danger);
}

.alert-warning {
    background-color: rgba(255, 193, 7, 0.1);
    color: #92400e;
    border: 1px solid rgba(245, 158, 11, 0.2);
    border-left: 4px solid var(--color-warning);
}

.alert-info {
    background-color: rgba(23, 162, 184, 0.1);
    color: #0c4a6e;
    border-left: 4px solid var(--color-info);
}

.alert-dismissible {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-right: 3rem;
    position: relative;
}

.alert-dismissible .btn-close {
    position: absolute;
    top: 50%;
    right: 1rem;
    transform: translateY(-50%);
    padding: 0;
    width: 1.5rem;
    height: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.alert-dismissible .btn-close:active {
    transform: translateY(calc(-50% + 1px));
}

.alert-actions {
    flex-shrink: 0;
}

.alert-icon-btn {
    display: inline-flex;
    width: 26px;
    height: 26px;
    flex-shrink: 0;
    align-items: center;
    justify-content: center;
    padding: 0;
    border: 1px solid rgba(15, 23, 42, 0.12);
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    box-shadow:
        0 1px 2px rgba(15, 23, 42, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 0.6);
    cursor: pointer;
    font-size: 0.85rem;
    opacity: 0.72;
    transition: var(--control-transition);
}

.alert-icon-btn:active {
    box-shadow: var(--control-shadow-pressed);
    transform: translateY(1px);
}

.alert-icon-btn:focus-visible {
    outline: 2px solid currentColor;
    outline-offset: 2px;
}

.alert-icon-btn.is-copied {
    color: var(--color-success) !important;
    opacity: 1;
}

@media (hover: hover) and (pointer: fine) {
    .alert-dismissible .btn-close:hover {
        transform: translateY(calc(-50% - 1px));
    }

    .alert-icon-btn:hover {
        background: rgba(255, 255, 255, 0.78);
        box-shadow: var(--control-shadow-hover);
        opacity: 1;
        transform: translateY(-1px);
    }
}

/* ===== BADGES ===== */
.badge {
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.875rem;
    display: inline-flex;
    align-items: center;
}

.badge-success {
    background-color: var(--color-success);
    color: white;
}

.badge-danger {
    background-color: var(--color-danger);
    color: white;
}

.badge-warning {
    background-color: var(--color-warning);
    color: #000;
}

.badge-primary {
    background-color: var(--color-primary);
    color: white;
}

/* ===== STATUS INDICATORS ===== */
.status-indicator {
    display: inline-block;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    margin-right: 0.5rem;
}

.status-ok {
    background-color: var(--color-success);
}

.status-error {
    background-color: var(--color-danger);
}

.status-warning {
    background-color: var(--color-warning);
}

/* ===== LOGO & TITLE ===== */
.escrs-mark-above {
    display: block;
    margin: 0 auto 15px;
}

.logo-title-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    flex-wrap: nowrap;
    margin-bottom: var(--spacing-md);
}

.biomapi-logo {
    width: 50px;
    height: 50px;
    border-radius: 0px;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.2);
}

@media (max-width: 768px) {
    .logo-title-container {
        gap: 0.75rem;
    }

    .biomapi-logo {
        width: 40px;
        height: 40px;
    }

}

@media (max-width: 576px) {
    .logo-title-container {
        gap: 0.5rem;
    }

    .biomapi-logo {
        width: 36px;
        height: 36px;
    }

    .logo-title-container .display-4 {
        font-size: 2rem;
    }

}

/* ===== FOOTER ===== */
.footer-enhanced {
    background: rgba(102, 126, 234, 0.08);
    padding: var(--spacing-xl) var(--spacing-lg);
    margin: 0 -2rem -2rem;
    border-radius: 0 0 20px 20px;
    border-top: 1px solid rgba(102, 126, 234, 0.15);
    color: #6b7280;
    font-size: 0.8rem;
    text-align: center;
}

.footer-version-line {
    margin: 0 0 0.85rem;
}

.footer-version-pill {
    appearance: none;
    display: inline-flex;
    align-items: baseline;
    gap: 0.35rem;
    padding: 0.38rem 0.7rem;
    border: 1px solid rgba(102, 126, 234, 0.18);
    border-radius: 999px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.82) 0%, rgba(247, 248, 251, 0.58) 100%);
    box-shadow:
        0 1px 2px rgba(15, 23, 42, 0.08),
        0 4px 9px rgba(79, 70, 229, 0.08),
        var(--control-highlight);
    color: #4b5563;
    font: inherit;
    cursor: pointer;
    transition: var(--control-transition);
    transform: translateY(0);
}

.footer-version-pill:active {
    box-shadow: var(--control-shadow-pressed);
    transform: translateY(1px);
}

.footer-version-pill:focus-visible {
    outline: 2px solid #8b5cf6;
    outline-offset: 3px;
}

@media (hover: hover) and (pointer: fine) {
    .footer-version-pill:hover {
        border-color: rgba(102, 126, 234, 0.32);
        background: linear-gradient(180deg, #ffffff 0%, rgba(244, 245, 252, 0.82) 100%);
        box-shadow:
            0 2px 3px rgba(15, 23, 42, 0.07),
            0 4px 8px rgba(79, 70, 229, 0.1),
            var(--control-highlight);
        transform: translateY(-1px);
    }
}

.footer-version-product {
    font-weight: 600;
}

.footer-version-number {
    color: #6b7280;
    font-weight: 500;
}

.footer-link-directory {
    display: grid;
    gap: 0.35rem;
}

.footer-link-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.25rem 0.6rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.footer-link-list li {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
}

.footer-link-list li:not(:last-child)::after {
    color: rgba(107, 114, 128, 0.55);
    content: "•";
}

.footer-link {
    color: #8b5cf6;
    text-decoration: none;
}

.footer-link:hover {
    text-decoration: underline;
}

.footer-link:focus-visible {
    border-radius: 3px;
    outline: 2px solid #8b5cf6;
    outline-offset: 2px;
}

.footer-divider {
    width: min(100%, 22rem);
    margin: 1.35rem auto 1rem;
    border-top: 1px solid rgba(102, 126, 234, 0.2);
}

.footer-attribution {
    margin: 0;
}

.footer-warning {
    color: var(--color-danger) !important;
    font-weight: 500;
}

/* ===== ESCRS FOOTER BRAND ===== */
.escrs-footer-brand {
    display: flex;
    justify-content: center;
    margin-top: 0.85rem;
}

.escrs-availability-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.45rem 0.7rem;
    border: 1px solid rgba(102, 126, 234, 0.16);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.38);
    color: #6b7280;
    text-decoration: none;
    transition:
        background-color var(--transition-fast),
        border-color var(--transition-fast);
}

.escrs-availability-badge:hover {
    border-color: rgba(102, 126, 234, 0.28);
    background: rgba(255, 255, 255, 0.58);
}

.escrs-availability-badge:focus-visible {
    outline: 2px solid #8b5cf6;
    outline-offset: 3px;
}

.escrs-availability-label {
    color: #6b7280;
    font-size: 0.68rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    white-space: nowrap;
}

.escrs-footer-logo {
    display: block;
    width: auto;
    height: 24px;
    opacity: 0.72;
    transition: opacity var(--transition-fast);
}

.escrs-availability-badge:hover .escrs-footer-logo {
    opacity: 0.88;
}

.footer-api {
    font-size: 0.875rem;
}

@media (max-width: 768px) {
    .footer-enhanced {
        padding: var(--spacing-lg) var(--spacing-md);
        margin: 0 -1.5rem -1.5rem;
        border-radius: 0 0 15px 15px;
    }
}

@media (max-width: 420px) {
    .footer-enhanced {
        margin: 0 -1rem -1rem;
        border-radius: 0;
    }
}

@media (max-width: 390px) {
    .footer-link-list {
        column-gap: 0.5rem;
    }

    .footer-link-list li {
        gap: 0.5rem;
    }
}

/* ===== NAV TABS ===== */
.nav-tabs {
    border-bottom: 2px solid #e5e7eb;
    margin-bottom: var(--spacing-md);
    display: flex;
    flex-wrap: wrap;
}

.nav-tabs .nav-item {
    margin-bottom: -2px;
}

.nav-tabs .nav-link {
    border: none;
    border-bottom: 3px solid transparent;
    color: var(--color-text-muted);
    font-weight: 500;
    padding: 0.75rem 1.5rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    background: transparent;
}

.nav-tabs .nav-link:hover {
    border-bottom-color: #d1d5db;
    color: var(--color-text-dark);
}

.nav-tabs .nav-link.active {
    background-color: transparent;
    border-bottom-color: var(--color-primary);
    color: var(--color-primary);
    font-weight: 600;
}

/* Mobile nav tabs */
@media (max-width: 560px) {
    .nav-tabs {
        flex-wrap: nowrap;
        justify-content: space-around;
    }

    .nav-tabs .nav-link {
        padding: 1rem 0.75rem;
        min-width: 60px;
    }

    .nav-tabs .nav-link .tab-text {
        display: none;
    }

    .nav-tabs .nav-link i {
        font-size: 1.4rem !important;
        margin: 0 !important;
    }

    .nav-tabs .nav-item {
        flex-shrink: 0;
    }
}

/* ===== NAV PILLS ===== */
.nav-pills {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.nav-pills .nav-link {
    border-radius: 10px;
    padding: 0.75rem 1.5rem;
    transition: all var(--transition-normal);
    cursor: pointer;
    background: transparent;
    border: 1px solid #e2e8f0;
    color: var(--color-text-muted);
    font-weight: 500;
}

.nav-pills .nav-link:hover {
    background-color: rgba(102, 126, 234, 0.1);
    border-color: #cbd5e1;
    color: var(--color-primary);
}

.nav-pills .nav-link.active {
    background: linear-gradient(180deg, #7586e9 0%, #6855b7 100%);
    color: white;
    border-color: transparent;
}

/* ===== TAB CONTENT ===== */
.tab-content {
    padding: 0;
}

.tab-pane {
    display: none;
}

.tab-pane.show {
    display: block;
}

.tab-pane.active {
    display: block;
}

/* ===== PROGRESS BAR ===== */
.progress {
    height: 8px;
    border-radius: 4px;
    background-color: rgba(102, 126, 234, 0.1);
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: var(--gradient-primary);
    transition: width var(--transition-normal);
}

/* ===== SPINNER ===== */
.processing-spinner {
    display: none;
}

.spinner-border {
    display: inline-block;
    width: 1.5rem;
    height: 1.5rem;
    vertical-align: text-bottom;
    border: 0.25em solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: spinner-border 0.75s linear infinite;
}

@keyframes spinner-border {
    to { transform: rotate(360deg); }
}

/* ===== MODAL ===== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1050;
    display: none;
    width: 100%;
    height: 100%;
    overflow: hidden;
    outline: 0;
}

.modal.show {
    display: flex !important;
    align-items: center;
    justify-content: center;
}

.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1040;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.5);
}

.modal-dialog {
    position: relative;
    width: auto;
    margin: 1.5rem;
    pointer-events: none;
}

.modal-dialog-centered {
    display: flex;
    align-items: center;
    min-height: calc(100% - 3rem);
}

.modal-dialog-scrollable {
    max-height: calc(100% - 3rem);
}

.modal-content {
    position: relative;
    display: flex;
    flex-direction: column;
    width: 100%;
    pointer-events: auto;
    background-color: white;
    background-clip: padding-box;
    border-radius: 15px;
    box-shadow: var(--shadow-lg);
    outline: 0;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem;
    border-bottom: 1px solid #e5e7eb;
    border-radius: 15px 15px 0 0;
}

.modal-title {
    margin-bottom: 0;
    line-height: 1.5;
    font-weight: 600;
}

.modal-body {
    position: relative;
    flex: 1 1 auto;
    padding: 1.5rem;
    max-height: calc(100vh - 200px);
    overflow-y: auto;
}

.modal-footer {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-end;
    gap: var(--spacing-sm);
    padding: 1rem 1.5rem;
    border-top: 1px solid #e5e7eb;
    border-radius: 0 0 15px 15px;
}

.modal-lg {
    max-width: 800px;
}

.modal-sm {
    max-width: 300px;
}

/* ===== CHANGELOG MODAL ===== */
.changelog-modal-dialog {
    max-width: 760px;
}

.changelog-body {
    padding: 0 1.5rem;
}

.changelog-release {
    padding: 1.5rem 0;
    border-bottom: 1px solid #e5e7eb;
}

.changelog-release-last {
    border-bottom: 0;
}

.changelog-release-header {
    display: flex;
    align-items: center;
    margin-bottom: 1.25rem;
}

.changelog-release-header h6 {
    margin: 0;
    color: var(--color-primary);
    font-size: 1.15rem;
    font-weight: 700;
}

.changelog-group + .changelog-group {
    margin-top: 1.25rem;
}

.changelog-group h6 {
    margin-bottom: 0.55rem;
    color: var(--color-text-dark);
    font-size: 0.85rem;
    font-weight: 600;
}

.changelog-group ul {
    margin: 0;
    padding-left: 1.15rem;
    color: var(--color-text-muted);
}

.changelog-group li,
.changelog-summary {
    color: var(--color-text-muted);
    font-size: 0.84rem;
    line-height: 1.55;
}

.changelog-group li + li {
    margin-top: 0.4rem;
}

@media (max-width: 576px) {
    .changelog-body {
        padding: 0 1rem;
    }

    .changelog-release {
        padding: 1.25rem 0;
    }

    .changelog-group li,
    .changelog-summary {
        font-size: 0.82rem;
    }
}

/* ===== FIRST-TIME ONBOARDING MODAL ===== */
.onboarding-modal-dialog {
    width: min(720px, calc(100% - 2rem));
    max-width: 720px;
    margin-right: auto;
    margin-left: auto;
}

.onboarding-modal-content {
    overflow: hidden;
}

.onboarding-modal-header {
    padding: 1.1rem 1.5rem 0.9rem;
}

.onboarding-modal-header .modal-title {
    margin: 0;
    color: var(--color-text-dark);
    font-size: 1.05rem;
}

.onboarding-step-count {
    margin-bottom: 0.15rem;
    color: var(--color-primary);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.onboarding-progress {
    display: flex;
    gap: 0.4rem;
    justify-content: center;
    padding: 0.75rem 1.5rem 0;
}

.onboarding-progress-dot {
    width: 0.45rem;
    height: 0.45rem;
    border-radius: 999px;
    background: #d1d5db;
    transition: width var(--transition-fast), background var(--transition-fast);
}

.onboarding-progress-dot.complete {
    background: #a5b4fc;
}

.onboarding-progress-dot.active {
    width: 1.35rem;
    background: var(--gradient-primary);
}

.onboarding-modal-body {
    display: flex;
    height: 475px;
    min-height: 475px;
    overflow-y: auto;
    padding: 1.15rem 1.5rem 1.35rem;
    touch-action: pan-y pinch-zoom;
}

.onboarding-panel {
    width: 100%;
    margin: auto 0;
    text-align: center;
}

.onboarding-panel[hidden] {
    display: none !important;
}

.onboarding-panel-title {
    margin-bottom: 0.7rem;
    color: var(--color-text-dark);
    font-size: 1.35rem;
}

.onboarding-panel-title:focus {
    outline: none;
}

.onboarding-panel p {
    max-width: 590px;
    margin: 0 auto 0.75rem;
    color: var(--color-text-muted);
    font-size: 0.9rem;
    line-height: 1.55;
}

.onboarding-panel-icon {
    display: inline-flex;
    width: 3.4rem;
    height: 3.4rem;
    align-items: center;
    justify-content: center;
    margin-bottom: 0.9rem;
    border-radius: 1rem;
    background: rgba(102, 126, 234, 0.12);
    color: var(--color-primary);
    font-size: 1.45rem;
}

.onboarding-panel .onboarding-note {
    padding: 0.7rem 0.85rem;
    border-radius: 0.65rem;
    background: #f8fafc;
    color: #64748b;
    font-size: 0.82rem;
}

.onboarding-flow {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr) auto minmax(0, 1fr);
    gap: 0.5rem;
    align-items: center;
    max-width: 580px;
    margin: 1rem auto 0;
}

.onboarding-flow-node {
    display: flex;
    min-height: 72px;
    flex-direction: column;
    gap: 0.35rem;
    align-items: center;
    justify-content: center;
    padding: 0.65rem 0.45rem;
    border: 1px solid #e2e8f0;
    border-radius: 0.7rem;
    background: #fff;
    color: var(--color-text-muted);
    font-size: 0.74rem;
    font-weight: 600;
    line-height: 1.2;
}

.onboarding-flow-node i {
    color: var(--color-primary);
    font-size: 1.05rem;
}

.onboarding-flow-node-primary {
    border-color: rgba(102, 126, 234, 0.3);
    background: rgba(102, 126, 234, 0.07);
    color: var(--color-primary-dark);
}

.onboarding-flow-arrow {
    color: #94a3b8;
    font-size: 0.8rem;
}

.onboarding-security-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.6rem;
    margin: 1rem 0 0.75rem;
}

.onboarding-security-item {
    display: flex;
    min-height: 82px;
    flex-direction: column;
    gap: 0.4rem;
    align-items: center;
    justify-content: center;
    padding: 0.65rem;
    border: 1px solid #e2e8f0;
    border-radius: 0.7rem;
    background: #fff;
    color: var(--color-text-muted);
    font-size: 0.74rem;
    font-weight: 600;
    line-height: 1.25;
}

.onboarding-security-item i {
    color: var(--color-primary);
    font-size: 1.05rem;
}

.onboarding-inline-link {
    display: inline-flex;
    gap: 0.35rem;
    align-items: center;
    color: var(--color-secondary);
    font-size: 0.78rem;
    font-weight: 600;
    text-decoration: none;
}

.onboarding-inline-link:hover {
    color: var(--color-primary-dark);
    text-decoration: underline;
    text-underline-offset: 0.18rem;
}

.onboarding-tool-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.6rem;
    margin-top: 0.9rem;
    text-align: left;
}

.onboarding-tool-card {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    gap: 0.65rem;
    align-items: center;
    width: 100%;
    min-height: 70px;
    padding: 0.7rem 0.8rem;
    border: 1px solid var(--control-border);
    border-radius: 0.7rem;
    background: var(--control-surface);
    box-shadow: var(--control-shadow);
    color: var(--color-text-dark);
    font: inherit;
    text-align: left;
    text-decoration: none;
    transition: var(--control-transition);
    transform: translateY(0);
}

.onboarding-tool-card:active {
    box-shadow: var(--control-shadow-pressed);
    transform: translateY(1px);
}

.onboarding-tool-card:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.onboarding-tool-card > i:first-child {
    color: var(--color-primary);
    font-size: 1rem;
}

.onboarding-tool-card strong,
.onboarding-tool-card small {
    display: block;
}

.onboarding-tool-card strong {
    margin-bottom: 0.1rem;
    font-size: 0.8rem;
}

.onboarding-tool-card small {
    color: var(--color-text-muted);
    font-size: 0.68rem;
    line-height: 1.3;
}

.onboarding-tool-arrow {
    color: #94a3b8;
    font-size: 0.65rem;
}

.onboarding-tool-card-wide {
    grid-column: 1 / -1;
}

.onboarding-tool-card-featured {
    position: relative;
    overflow: hidden;
    min-height: 82px;
    padding: 0.8rem 0.9rem 0.8rem 1rem;
    border-color: rgba(102, 126, 234, 0.35);
    background:
        radial-gradient(circle at 12% 50%, rgba(255, 255, 255, 0.95) 0, rgba(255, 255, 255, 0) 34%),
        linear-gradient(120deg, rgba(102, 126, 234, 0.13), rgba(118, 75, 162, 0.06) 58%, rgba(255, 255, 255, 0.9));
    box-shadow: 0 6px 18px rgba(102, 126, 234, 0.12);
}

.onboarding-tool-card-featured::before {
    position: absolute;
    inset: 0 auto 0 0;
    width: 4px;
    background: var(--gradient-primary);
    content: "";
}

@media (hover: hover) and (pointer: fine) {
    .onboarding-tool-card:hover {
        border-color: rgba(102, 126, 234, 0.5);
        color: var(--color-text-dark);
        box-shadow: var(--control-shadow-hover);
        transform: translateY(-1px);
    }

    .onboarding-tool-card-featured:hover {
        border-color: rgba(102, 126, 234, 0.65);
        box-shadow:
            0 2px 3px rgba(15, 23, 42, 0.08),
            0 5px 11px rgba(102, 126, 234, 0.14),
            var(--control-highlight);
    }
}

.onboarding-tool-logo {
    display: flex;
    width: 6.5rem;
    align-items: center;
    justify-content: center;
}

.onboarding-tool-logo img {
    display: block;
    width: 100%;
    height: auto;
}

.onboarding-tool-featured-copy {
    min-width: 0;
}

.onboarding-tool-featured-label {
    display: inline-flex;
    align-items: center;
    margin-bottom: 0.25rem;
    padding: 0.16rem 0.45rem;
    border: 1px solid rgba(102, 126, 234, 0.18);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.72);
    color: var(--color-primary-dark);
    font-size: 0.6rem;
    font-weight: 700;
    letter-spacing: 0.045em;
    line-height: 1.2;
    text-transform: uppercase;
}

.onboarding-tool-card-featured small {
    max-width: 19rem;
    color: var(--color-text-muted);
    font-size: 0.7rem;
    font-weight: 400;
    line-height: 1.3;
}

.onboarding-tool-featured-arrow {
    display: inline-flex;
    width: 2rem;
    height: 2rem;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--gradient-primary);
    color: #fff;
    box-shadow: 0 4px 10px rgba(102, 126, 234, 0.22);
    font-size: 0.65rem;
}

.onboarding-modal-footer {
    justify-content: space-between;
    padding: 0.8rem 1.5rem;
}

.onboarding-nav-btn {
    display: inline-flex;
    width: 2.65rem;
    min-width: 2.65rem;
    height: 2.65rem;
    align-items: center;
    justify-content: center;
    padding: 0;
    font-size: 0.85rem;
}

@media (max-width: 576px) {
    .onboarding-modal-dialog {
        width: calc(100% - 1rem);
        margin: 0.5rem auto;
    }

    .onboarding-modal-header {
        padding: 0.9rem 1rem 0.75rem;
    }

    .onboarding-progress {
        padding-top: 0.6rem;
    }

    .onboarding-modal-body {
        height: min(505px, calc(100dvh - 180px));
        min-height: min(505px, calc(100dvh - 180px));
        padding: 0.9rem 1rem 1.1rem;
    }

    .onboarding-panel-title {
        font-size: 1.15rem;
    }

    .onboarding-panel p {
        font-size: 0.82rem;
    }

    .onboarding-panel-icon {
        width: 3rem;
        height: 3rem;
        margin-bottom: 0.7rem;
        font-size: 1.25rem;
    }

    .onboarding-flow {
        gap: 0.3rem;
    }

    .onboarding-flow-node {
        min-height: 68px;
        padding: 0.5rem 0.3rem;
        font-size: 0.65rem;
    }

    .onboarding-security-grid {
        gap: 0.35rem;
    }

    .onboarding-security-item {
        min-height: 80px;
        padding: 0.5rem 0.3rem;
        font-size: 0.64rem;
    }

    .onboarding-tool-grid {
        gap: 0.45rem;
    }

    .onboarding-tool-card {
        gap: 0.45rem;
        min-height: 66px;
        padding: 0.6rem;
    }

    .onboarding-tool-card small {
        font-size: 0.63rem;
    }

    .onboarding-tool-card-featured {
        min-height: 76px;
        padding: 0.65rem 0.65rem 0.65rem 0.8rem;
    }

    .onboarding-tool-logo {
        width: 5.4rem;
    }

    .onboarding-tool-featured-label {
        margin-bottom: 0.2rem;
        padding: 0.14rem 0.35rem;
        font-size: 0.54rem;
    }

    .onboarding-tool-card-featured small {
        font-size: 0.62rem;
    }

    .onboarding-tool-featured-arrow {
        width: 1.75rem;
        height: 1.75rem;
    }

    .onboarding-modal-footer {
        padding: 0.7rem 1rem;
    }

    .onboarding-nav-btn {
        width: 2.5rem;
        min-width: 2.5rem;
        height: 2.5rem;
        font-size: 0.8rem;
    }
}

/* ===== INPUT GROUP ===== */
.input-group {
    display: flex;
    align-items: stretch;
    width: 100%;
}

.input-group > .form-control,
.input-group > .btn {
    position: relative;
    flex: 1 1 auto;
    margin: 0;
}

.input-group > .form-control:not(:last-child) {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
}

.input-group > .form-control:not(:first-child) {
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
}

.input-group > .btn {
    flex: 0 0 auto;
}

.input-group > .btn:not(:last-child) {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
}

.input-group > .btn:not(:first-child) {
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
}

/* ===== DIVIDER ===== */
.or-divider {
    position: relative;
    display: flex;
    align-items: center;
    margin: 1.5rem 0;
}

.or-line {
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, #d1d5db 50%, transparent 100%);
    border: none;
    margin: 0;
}

.or-text {
    padding: 0 1rem;
    color: var(--color-text-muted);
    font-weight: 500;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ===== COLLAPSE ===== */
.collapse {
    display: none;
}

.collapse.show {
    display: block;
}

.collapsing {
    position: relative;
    height: 0;
    overflow: hidden;
    transition: height var(--transition-normal);
}

/* ===== ROW & COLUMN LAYOUT ===== */
.row {
    display: flex;
    flex-wrap: wrap;
    margin-left: -0.75rem;
    margin-right: -0.75rem;
}

.col,
.col-12,
.col-lg-6,
.col-md-6 {
    position: relative;
    width: 100%;
    padding-left: 0.75rem;
    padding-right: 0.75rem;
}

.col-12 {
    flex: 0 0 100%;
    max-width: 100%;
}

@media (min-width: 768px) {
    .col-md-6 {
        flex: 0 0 50%;
        max-width: 50%;
    }
}

@media (min-width: 992px) {
    .col-lg-6 {
        flex: 0 0 50%;
        max-width: 50%;
    }
}

/* Gap utilities */
.g-3 > * {
    padding-left: 0.5rem;
    padding-right: 0.5rem;
}

.g-5 > * {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
}

.gap-2 {
    gap: 0.5rem;
}

/* ===== DISPLAY HEADINGS ===== */
.display-4 {
    font-size: 3.5rem;
    font-weight: 300;
    line-height: 1.2;
}

@media (max-width: 768px) {
    .display-4 {
        font-size: 2.5rem;
    }
}

/* ===== BORDER UTILITIES ===== */
.border-bottom {
    border-bottom: 1px solid #e5e7eb;
}

/* ===== HOVER EFFECTS ===== */
.hover-lift {
    transition: transform var(--transition-fast);
}

.hover-lift:hover {
    transform: translateY(-2px);
}

/* ===== CLEAR BIOMETRY BUTTON ===== */
.clear-biometry-btn {
    --button-shadow-color: 71, 85, 105;
    background: linear-gradient(180deg, #ffffff 0%, #f1f3f6 100%) !important;
    border: 1px solid #d5dae3 !important;
    box-shadow:
        0 1px 2px rgba(15, 23, 42, 0.09),
        0 3px 7px rgba(71, 85, 105, 0.08),
        var(--control-highlight) !important;
    color: #5f6875 !important;
    transition: var(--control-transition) !important;
    padding: 0.5rem 0.75rem !important;
    border-radius: var(--control-radius) !important;
}

#clearBiometryBtn {
    width: 2.35rem;
    height: 2.35rem;
    padding: 0 !important;
    border-radius: 50% !important;
    border-color: rgba(255, 255, 255, 0.72) !important;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.94) 0%, rgba(245, 246, 250, 0.88) 100%) !important;
    box-shadow:
        0 1px 2px rgba(30, 27, 75, 0.12),
        0 2px 5px rgba(30, 27, 75, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 0.7) !important;
    color: #6b7280 !important;
}

#clearBiometryBtn:active {
    background: #f3f4f6 !important;
    box-shadow: inset 0 2px 4px rgba(30, 27, 75, 0.14) !important;
}

.clear-biometry-btn:active {
    box-shadow: var(--control-shadow-pressed) !important;
    transform: translateY(1px) !important;
}

@media (hover: hover) and (pointer: fine) {
    .clear-biometry-btn:hover {
        --button-shadow-color: 220, 38, 38;
        background: linear-gradient(180deg, #e96370 0%, #c92e3d 100%) !important;
        border-color: #b91c1c !important;
        box-shadow:
            0 2px 3px rgba(15, 23, 42, 0.08),
            0 3px 7px rgba(220, 38, 38, 0.12),
            var(--control-highlight) !important;
        color: #ffffff !important;
        transform: translateY(-1px) !important;
    }

    #clearBiometryBtn:hover {
        background: linear-gradient(180deg, #e96370 0%, #c92e3d 100%) !important;
        border-color: #b91c1c !important;
        box-shadow:
            0 2px 3px rgba(30, 27, 75, 0.1),
            0 3px 7px rgba(185, 28, 28, 0.14),
            var(--control-highlight) !important;
        color: #ffffff !important;
    }
}

/* Keep tactile compression authoritative when hover and active match together. */
.btn:active:not(:disabled):not(.disabled),
.btn-close:active,
.footer-version-pill:active,
.onboarding-tool-card:active,
.alert-icon-btn:active {
    box-shadow: var(--control-shadow-pressed);
    transform: translateY(1px);
}

.clear-biometry-btn:active,
#clearBiometryBtn:active {
    box-shadow: var(--control-shadow-pressed) !important;
    transform: translateY(1px) !important;
}

/* Modal actions share the global button system while retaining compact geometry. */
.modal-action-btn {
    font-size: 0.95rem;
    padding: 0.5rem 1.25rem;
    border-width: 1px;
    font-weight: 500;
}

@media (prefers-reduced-motion: reduce) {
    .btn,
    .btn-close,
    .footer-version-pill,
    .onboarding-tool-card,
    .alert-icon-btn {
        transition-duration: 0.01ms !important;
    }

    .btn:hover,
    .btn:active,
    .btn-close:hover,
    .btn-close:active,
    .footer-version-pill:hover,
    .footer-version-pill:active,
    .onboarding-tool-card:hover,
    .onboarding-tool-card:active,
    .alert-icon-btn:hover,
    .alert-icon-btn:active {
        transform: none !important;
    }

    .alert-dismissible .btn-close:hover,
    .alert-dismissible .btn-close:active {
        transform: translateY(-50%) !important;
    }
}

/* ===== CONTACT FORM STYLES ===== */
#contactForm .form-control,
#contactForm .form-control:focus {
    border-radius: 10px;
}

#contactForm textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

#contactFormStatus {
    margin-bottom: 1rem;
}

#contactFormStatus .alert {
    margin-bottom: 0;
}

/* Supported devices collapsible toggle chevron rotation */
[data-bs-toggle="collapse"][aria-expanded="true"] .fa-chevron-right {
    transform: rotate(90deg);
}