:root {
    --bg-color: #121212;
    --card-bg: #1e1e1e;
    --text-primary: #ffffff;
    --text-secondary: #aaaaaa;
    --accent-color: #4da6ff;
    --accent-hover: #79c0ff;
    --danger-color: #ff5252;
    --success-color: #4caf50;
    --warning-color: #ffb74d;
    --border-color: #333333;
    --font-main: 'Plus Jakarta Sans', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-main);
    display: flex;
    justify-content: center;
    align-items: flex-start;
    min-height: 100vh;
    padding: 20px;
    -webkit-font-smoothing: antialiased;
}

/* Focus visible for keyboard navigation */
*:focus-visible {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

/* Locked State */
body.locked .app-container>*:not(.modal) {
    filter: blur(8px);
    pointer-events: none;
    user-select: none;
}

body.locked .modal.security-modal {
    display: flex !important;
}

body.locked .modal.security-modal.hidden {
    display: none !important;
}

.app-container {
    width: 100%;
    max-width: 480px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* ---- Header ---- */
.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0 20px 0;
    border-bottom: 1px solid var(--border-color);
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 12px;
}

.shield-icon {
    width: 32px;
    height: 32px;
    color: var(--accent-color);
}

.app-header h1 {
    font-size: 20px;
    font-weight: 700;
}

.header-controls {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* ---- Base Button ---- */
.btn {
    font-family: var(--font-main);
    cursor: pointer;
    border: none;
    background: none;
    color: inherit;
    transition: all 0.2s;
}

/* ---- Global Timer ---- */
.timer-container {
    width: 30px;
    height: 30px;
    position: relative;
    transform: rotate(-90deg);
}

.timer-svg {
    width: 100%;
    height: 100%;
}

.timer-bg {
    fill: none;
    stroke: var(--border-color);
    stroke-width: 4;
}

.timer-progress {
    fill: none;
    stroke: var(--accent-color);
    stroke-width: 4;
    stroke-linecap: round;
    stroke-dasharray: 100;
    stroke-dashoffset: 0;
    transition: stroke-dashoffset 1s linear;
}

/* ---- Icon Buttons ---- */
.icon-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-btn:hover {
    background: rgba(255, 255, 255, 0.1);
}

.primary-icon-btn {
    background: var(--accent-color);
    color: #121212;
}

.primary-icon-btn:hover {
    background: var(--accent-hover);
    transform: scale(1.05);
}

.icon-btn svg {
    width: 24px;
    height: 24px;
}

.icon-btn.hidden {
    display: none;
}

/* Lock Button */
#lock-btn {
    background: rgba(255, 82, 82, 0.15);
    color: var(--danger-color);
}

#lock-btn:hover {
    background: var(--danger-color);
    color: white;
}

/* ---- Search Bar ---- */
.search-container {
    margin-bottom: 4px;
}

.search-container input {
    width: 100%;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 12px 16px;
    color: var(--text-primary);
    font-size: 14px;
    font-family: var(--font-main);
    transition: border-color 0.2s;
}

.search-container input:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px rgba(77, 166, 255, 0.15);
}

.search-container input::placeholder {
    color: #666;
}

/* ---- Account List ---- */
.accounts-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
    min-height: 200px;
}

.empty-state {
    text-align: center;
    padding: 40px;
    color: var(--text-secondary);
    border: 2px dashed var(--border-color);
    border-radius: 12px;
}

.empty-state .sub {
    font-size: 14px;
    margin-top: 8px;
}

/* ---- Account Card ---- */
.account-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: transform 0.2s, border-color 0.2s;
    position: relative;
    overflow: hidden;
}

.account-card:hover {
    border-color: #444;
}

.account-info {
    flex: 1;
    min-width: 0;
}

.service-name {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: 4px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.token-code {
    font-family: var(--font-mono);
    font-size: 32px;
    font-weight: 500;
    color: var(--text-primary);
    letter-spacing: 2px;
    cursor: pointer;
    transition: color 0.1s;
}

.token-code:active {
    opacity: 0.7;
}

/* ---- Card Action Buttons ---- */
.card-actions {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-left: 20px;
}

.action-btn {
    background: #2a2a2a;
    border: none;
    color: var(--text-secondary);
    padding: 8px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.action-btn.share-btn:hover,
.action-btn.edit-btn:hover,
.action-btn.copy-btn:hover {
    background: var(--accent-color);
    color: #121212;
}

.action-btn.delete-btn:hover {
    background: var(--danger-color);
    color: white;
}

/* ---- Card ---- */
.card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 24px;
}

/* ---- Modal Base ---- */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    z-index: 100;
    backdrop-filter: blur(5px);
}

.modal.hidden {
    display: none;
}

.modal-content {
    width: 100%;
    max-width: 400px;
    background: var(--card-bg);
    border-radius: 16px;
    padding: 24px;
    border: 1px solid var(--border-color);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

/* ---- Security Modal ---- */
.security-modal {
    background: rgba(0, 0, 0, 0.95);
    z-index: 200;
}

.security-card {
    text-align: center;
    max-width: 380px;
}

.security-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--accent-color), #79c0ff);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.security-icon svg {
    color: #121212;
}

.security-card h2 {
    font-size: 22px;
    margin-bottom: 12px;
}

.security-desc {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 24px;
}

.security-card .input-group {
    text-align: left;
}

.security-card .primary-btn {
    margin-top: 8px;
}

/* ---- Password Strength ---- */
.strength-container {
    margin-top: -12px;
    margin-bottom: 16px;
}

.strength-bar-bg {
    height: 4px;
    background: #2a2a2a;
    border-radius: 2px;
    overflow: hidden;
}

.strength-bar {
    height: 100%;
    width: 0;
    border-radius: 2px;
    transition: width 0.3s, background-color 0.3s;
}

.strength-bar.strength-very-weak { background-color: var(--danger-color); }
.strength-bar.strength-weak { background-color: #ff7043; }
.strength-bar.strength-fair { background-color: var(--warning-color); }
.strength-bar.strength-strong { background-color: #66bb6a; }
.strength-bar.strength-very-strong { background-color: var(--success-color); }

.strength-label {
    display: block;
    font-size: 12px;
    margin-top: 4px;
    text-align: right;
}

.strength-label.strength-very-weak { color: var(--danger-color); }
.strength-label.strength-weak { color: #ff7043; }
.strength-label.strength-fair { color: var(--warning-color); }
.strength-label.strength-strong { color: #66bb6a; }
.strength-label.strength-very-strong { color: var(--success-color); }

.password-hint {
    font-size: 12px;
    color: #666;
    margin-top: -12px;
    margin-bottom: 8px;
}

/* ---- Error Text ---- */
.error-text {
    color: var(--danger-color);
    font-size: 13px;
    min-height: 20px;
    margin-bottom: 8px;
}

/* ---- Input Groups ---- */
.input-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 20px;
}

.input-group label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
}

.input-group input,
.input-group select {
    background: #121212;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 14px;
    color: white;
    font-size: 16px;
    font-family: var(--font-mono);
    transition: border-color 0.2s, outline 0.2s;
}

.input-group input:focus,
.input-group select:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px rgba(77, 166, 255, 0.2);
}

.input-group input[type="password"] {
    font-family: var(--font-main);
    letter-spacing: 2px;
}

.input-group select {
    font-family: var(--font-main);
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23aaa' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 36px;
}

/* ---- Primary Button ---- */
.primary-btn {
    width: 100%;
    background: linear-gradient(135deg, var(--accent-color), #79c0ff);
    color: #121212;
    border: none;
    border-radius: 10px;
    padding: 16px;
    font-weight: 700;
    font-size: 16px;
    cursor: pointer;
    transition: opacity 0.2s, transform 0.2s;
}

.primary-btn:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.primary-btn:active {
    transform: translateY(0);
}

/* ---- Secondary Button ---- */
.secondary-btn {
    width: 100%;
    background: #2a2a2a;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 12px;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--font-main);
}

.secondary-btn:hover {
    background: #333;
    border-color: #555;
}

/* ---- Text Button ---- */
.text-btn {
    background: none;
    border: none;
    color: var(--accent-color);
    cursor: pointer;
    font-size: 14px;
    padding: 8px;
    font-family: var(--font-main);
}

.text-btn:hover {
    text-decoration: underline;
}

/* ---- Settings Modal ---- */
.settings-group {
    margin-bottom: 24px;
}

.settings-group:last-child {
    margin-bottom: 0;
}

.settings-group h3 {
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.settings-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

/* ---- Footer ---- */
.app-footer {
    text-align: center;
    font-size: 12px;
    color: #555;
    margin-top: auto;
}

/* ---- Toast ---- */
.toast {
    position: fixed;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    background: white;
    color: black;
    padding: 10px 20px;
    border-radius: 20px;
    font-weight: 700;
    z-index: 300;
    transition: opacity 0.3s, transform 0.3s;
}

.toast.hidden {
    opacity: 0;
    transform: translate(-50%, 20px);
    pointer-events: none;
}

/* ---- Link Routing ---- */
.account-link {
    font-size: 12px;
    text-decoration: none;
    opacity: 0.3;
    transition: opacity 0.2s;
    display: inline-flex;
}

.account-link:hover {
    opacity: 1;
}

.account-link svg {
    width: 14px;
    height: 14px;
}

.back-link {
    display: block;
    margin-bottom: 16px;
    color: var(--accent-color);
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
}

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

.reset-section {
    margin-top: 1.5rem;
    text-align: center;
    border-top: 1px solid var(--border-color);
    padding-top: 1rem;
}

.danger-text {
    background: none;
    border: none;
    padding: 0;
    color: var(--danger-color);
    font-size: 0.85rem;
    opacity: 0.8;
    cursor: pointer;
    font-family: var(--font-main);
}

.danger-text:hover {
    opacity: 1;
    text-decoration: underline;
}

/* ---- Quick View Mode ---- */
.quick-view {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-top: 20px;
    align-items: center;
}

.quick-view.hidden {
    display: none;
}

.token-card {
    text-align: center;
    padding: 30px;
    width: 100%;
    max-width: 400px;
}

.large-token {
    font-size: 4rem;
    font-family: var(--font-mono);
    font-weight: 700;
    color: var(--accent-color);
    letter-spacing: 4px;
    margin: 20px 0;
    text-shadow: 0 0 20px rgba(77, 166, 255, 0.3);
}

.timer-wrapper {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.timer-bar-container {
    flex: 1;
    height: 4px;
    background: #333;
    border-radius: 2px;
    overflow: hidden;
}

.timer-bar {
    height: 100%;
    background: var(--accent-color);
    width: 100%;
    transition: width 1s linear;
}

#quick-timer-text {
    font-family: var(--font-mono);
    font-size: 14px;
    color: var(--text-secondary);
    min-width: 32px;
    text-align: right;
}

.config-card {
    width: 100%;
    max-width: 400px;
}

.secret-display {
    display: flex;
    gap: 10px;
}

.mr-2 {
    margin-right: 8px;
}

/* ---- Responsive ---- */
@media (max-width: 480px) {
    body {
        padding: 12px;
    }

    .app-header h1 {
        font-size: 18px;
    }

    .token-code {
        font-size: 26px;
    }

    .modal-content {
        padding: 20px;
    }

    .security-icon {
        width: 64px;
        height: 64px;
    }

    .security-icon svg {
        width: 36px;
        height: 36px;
    }

    .large-token {
        font-size: 2.5rem;
    }

    .card-actions {
        margin-left: 12px;
    }
}