/* Updated Modern, Minimalist Theme */
body {
    background-color: #1f1f1f;
    color: #ddd;
    font-family: "Helvetica Neue", Arial, sans-serif;
    padding-top: 20px;
}

.container {
    max-width: 800px;
    margin: auto;
}

.card {
    background-color: #2a2a2a;
    border: none;
    border-radius: 8px;
    margin-bottom: 20px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.5);
}

.card-header {
    background-color: #3a3a3a;
    color: #818080;
    border-bottom: none;
    border-top-left-radius: 8px;
    border-top-right-radius: 8px;
    padding: 12px 16px;
    font-size: 1.2em;
}

.form-label {
    font-weight: bold;
    color: #818080;
}

.form-control {
    background-color: #333;
    border: 1px solid #444;
    color: #c4b428;
    padding: 8px;
    border-radius: 4px;
}

.form-select {
    background-color: #535353;
    border: 1px solid #444;
    color: #c4b428;
    padding: 8px;
    border-radius: 4px;
}

.btn {
    border-radius: 4px;
    padding: 10px 16px;
}

.btn-group .btn {
    font-weight: bold;
    flex: 1 1 33%;
    font-size: 0.9rem;
    padding: 0.5rem 0.75rem;
}

.btn-cyber-green {
    background-color: #00c851;
    color: white;
    border: 1px solid #00c851;
}

.btn-cyber-green:hover {
    background-color: #00b44a;
    border-color: #00b44a;
}

.btn-outline-secondary {
    color: #ccc;
    border-color: #555;
}

.error {
    font-weight: bold;
}

/* Spacing tweaks */
.mb-3 {
    margin-bottom: 1rem !important;
}

.mt-3 {
    margin-top: 1rem !important;
}

.form-control::placeholder {
    color: #8180806c;
}

/* Modal trigger buttons styling */
.modal-trigger-group {
    position: absolute;
    top: 20px;
    right: 20px;
}

.text-muted {
    --bs-text-opacity: 1;
    color: rgba(117, 117, 117, 0.75) !important;
}

.cipher-title {
    font-family: 'Courier New', Courier, monospace;
    font-size: 1.75rem;
    font-weight: bold;
    word-wrap: break-word;
    overflow-wrap: break-word;
    white-space: normal;
    margin-top: 10px;
    margin-bottom: 1rem;
    padding: 0 10px;
    text-shadow: 2px 3px 5px rgba(0, 0, 0, 0.6);
    /* <-- crispy edge boost */
}

.header-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 0.5rem;
    padding: 0 10px;
    margin-bottom: 1rem;
}

@media (max-width: 576px) {
    .modal-trigger-group {
        display: flex;
        flex-wrap: wrap;
        justify-content: right;
        gap: 0.5rem;
        margin-top: 0.5rem;
        width: 100%;
    }

    .cipher-title {
        font-size: 1.85rem;
        margin-bottom: 0;
    }
}

/* Dark-themed nav-tabs */
.nav-tabs .nav-link {
    color: #aaa;
    background-color: #2a2a2a;
    border-color: #444 #444 #2a2a2a;
}

.nav-tabs .nav-link.active {
    color: #c4b428;
    background-color: #3a3a3a;
    border-color: #c4b428 #c4b428 #3a3a3a;
}

#messageBox {
    transition: opacity 0.3s ease-in-out;
    width: 98%;
    margin: auto;
    border-radius: 0.5rem;
    display: block;
}

.title-lite {
    font-size: 0.6em;
    font-weight: normal;
    opacity: 0.7;
    margin-left: 4px;
    vertical-align: middle;
}

/* Add a smooth transition to all buttons */
#encryptBtn,
#decryptBtn {
    transition: all 0.3s ease;
}

/* Active mode button glow */
.mode-button-active {
    background-color: #198754 !important;
    /* Bootstrap green */
    border: 2px solid #24c17f;
    color: white !important;
    box-shadow: 0 0 12px 3px rgba(36, 193, 127, 0.5);
    transform: scale(1.02);
    animation: pulseGlowGreen 2.5s ease-in-out infinite;
    animation: pulseGlow 2.5s ease-in-out infinite;
}

@keyframes pulseGlowGreen {
    0% {
        box-shadow: 0 0 10px rgba(36, 193, 127, 0.4);
    }

    50% {
        box-shadow: 0 0 18px rgba(36, 193, 127, 0.7);
    }

    100% {
        box-shadow: 0 0 10px rgba(36, 193, 127, 0.4);
    }
}

/* Hover effect for both buttons */
#encryptBtn:hover,
#decryptBtn:hover {
    box-shadow: 0 0 6px rgba(255, 255, 255, 0.15);
    transform: scale(1.01);
}

/* Optional: Add a subtle pulse to active button */
@keyframes pulseGlow {
    0% {
        box-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
    }

    50% {
        box-shadow: 0 0 20px rgba(255, 255, 255, 0.6);
    }

    100% {
        box-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
    }
}

button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
a:focus-visible {
    outline: 2px dashed #c4b428;
    outline-offset: 2px;
}

.lang-select-wrapper {
    position: relative;
    display: inline-block;
}

/* Move the arrow here instead */
.lang-select-wrapper::after {
    content: "↓";
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
    font-size: 0.75rem;
    color: white;
}

.custom-lang-select {
    background-color: #6c757d;
    color: white;
    border: 1px solid #6c757d;
    border-radius: 0.25rem;
    padding: 0.25rem 0.75rem;
    font-size: 0.875rem;
    font-weight: normal;
    height: 42.3333px;
    min-width: 110px;
    margin-left: 0.5rem;
    display: inline-block;
    vertical-align: middle;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 8px 10px;
    padding-right: 1.5rem;
}

.custom-lang-select:focus {
    outline: none;
    box-shadow: 0 0 0 0.15rem rgba(108, 117, 125, 0.5);
}

.custom-lang-select option {
    color: white;
}

.custom-lang-select:hover {
    color: white;
    background-color: #5c636a;
    border-color: #6c757d;
}

#outputPlaceholder {
    font-style: italic;
    opacity: 0.75;
}

/* Hide output container initially - only show after processing */
#outputTextContainer {
    display: none;
}

#qrOutput img {
    max-width: 90vw;
    max-height: 90vw;
    width: 100%;
    height: auto;
    display: block;
    margin: 0 auto 1rem auto;
}

#qrOptionsModal .btn {
    height: 42px;
    /* Match your other UI buttons */
    vertical-align: middle;
}

.modal-body {
    padding-bottom: 1.5rem;
}

.fade-in {
    animation: fadeInQR 0.4s ease-in-out;
}

@keyframes fadeInQR {
    from {
        opacity: 0;
        transform: scale(0.95);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

.modal-backdrop.show {
    backdrop-filter: blur(10px) brightness(0.3);
    -webkit-backdrop-filter: blur(10px) brightness(0.3);
    background-color: rgba(0, 0, 0, 0.8);
    z-index: 1040;
}

/* Key strength bar colors */
#keyStrengthBar.weak {
    background-color: #dc3545 !important;
    /* Red */
}

#keyStrengthBar.moderate {
    background-color: #ffc107 !important;
    /* Yellow */
}

#keyStrengthBar.strong {
    background-color: #28a745 !important;
    /* Green */
}

#keyStrengthBar {
    transition: width 0.4s ease-in-out;
}

/* Polished action cards */
.action-grid .action-card {
    background: #191919;
    border: 1px solid #2a2a2a;
    border-radius: 12px;
    padding: 12px;
    box-shadow: 0 1px 1px rgba(0, 0, 0, .25);
}

/* Primary action button look (dark theme friendly) */
.btn-action {
    border: 1px solid #3b3b3b;
    background: #222;
    color: #e6e6e6;
}

.btn-action:hover {
    background: #2b2b2b;
    color: #fff;
    border-color: #4a4a4a;
}

/* QR preview box */
.qr-preview img {
    width: 200px;
    height: 200px;
    border: 2px solid #2d2d2d;
    border-radius: 8px;
    display: block;
    margin: 0 auto;
}

/* Small helper text spacing */
.action-help {
    opacity: .8;
}

/* Optional: tighter buttons in QR actions */
.qr-actions .btn {
    padding: .35rem .6rem;
}

/* Key Exchange Wizard Styles */
.role-card {
    transition: all 0.2s ease;
    border: 2px solid transparent;
}

.role-card:hover {
    border-color: #0d6efd;
    transform: translateY(-2px);
}

.role-card.selected {
    border-color: #198754;
    background-color: #1e4d3a !important;
}

/* Wizard Step Indicators - Compact */
.progress-steps {
    display: flex;
    justify-content: center;
    align-items: center;
    min-width: 220px;
    max-width: 300px;
    margin: 0 auto;
    overflow-x: auto;
}

.step-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    opacity: 0.4;
    transition: opacity 0.3s ease;
    flex-shrink: 0;
}

.step-indicator.active {
    opacity: 1;
}

.step-indicator.completed {
    opacity: 0.7;
}

.step-number {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--bs-secondary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    margin-bottom: 0.15rem;
    font-size: 0.8rem;
    transition: all 0.3s ease;
}

.step-indicator.active .step-number {
    background: var(--bs-primary);
    box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.2);
}

.step-indicator.completed .step-number {
    background: var(--bs-success);
}

.step-label {
    font-size: 0.65rem;
    text-align: center;
    white-space: nowrap;
}

.step-connector {
    flex: 1;
    height: 2px;
    background: var(--bs-secondary);
    margin: 0 0.4rem;
    opacity: 0.3;
    min-width: 20px;
}

/* Mobile optimization */
@media (max-width: 576px) {
    .progress-steps {
        min-width: 200px;
        max-width: 280px;
    }

    .step-label {
        font-size: 0.6rem;
    }

    .step-number {
        width: 26px;
        height: 26px;
        font-size: 0.75rem;
        margin-bottom: 0.1rem;
    }

    .step-connector {
        margin: 0 0.3rem;
        min-width: 15px;
    }
}

#keyExchangeModal .modal-content {
    border: none;
    border-radius: 12px;
}

#keyExchangeModal .form-control:focus {
    border-color: #198754;
    box-shadow: 0 0 0 0.2rem rgba(25, 135, 84, 0.25);
}

.form-check.text-muted .form-check-label {
    opacity: 0.5;
}

.form-check.text-muted .form-text {
    opacity: 0.4;
}

/* Hardware Key Mode */
.hk-status-bar {
    padding: 0.5rem 0.75rem;
    border-radius: 0.375rem;
    font-size: 0.875rem;
    font-weight: 500;
}

.hk-status-detecting {
    background: rgba(108, 117, 125, 0.15);
    color: #adb5bd;
}

.hk-status-active {
    background: rgba(25, 135, 84, 0.15);
    color: #75b798;
}

.hk-status-ephemeral {
    background: rgba(255, 193, 7, 0.15);
    color: #ffc107;
}

.hk-status-error {
    background: rgba(220, 53, 69, 0.15);
    color: #ea868f;
}

.hk-key-display {
    word-break: break-all;
}