:root {
    --bg-color: #0b0e14;
    --card-bg: rgba(255, 255, 255, 0.03);
    --glass-bg: rgba(255, 255, 255, 0.07);
    --primary: #00f2fe;
    --primary-dark: #4facfe;
    --accent: #9d50bb;
    --danger: #ff4d4d;
    --text-main: #ffffff;
    --text-dim: #a0a0a0;
    --radius-lg: 20px;
    --radius-md: 12px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

::selection {
    background-color: var(--primary);
    color: #000;
}

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
    color-scheme: dark; /* Ensures system components like dropdowns use dark theme */
}

option {
    background-color: #1a1e26;
    color: white;
}

/* App Container */
.app-container {
    max-width: 600px;
    margin: 0 auto;
    padding: 20px;
}

/* Header */
header {
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 20px 0;
    margin-bottom: 20px;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 15px 25px;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

h1 {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.header-actions {
    display: flex;
    gap: 10px;
}

.filter-section {
    margin-bottom: 20px;
    display: flex;
    justify-content: flex-end;
}

#filterService {
    width: 100%;
    max-width: 200px;
    background: var(--glass-bg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

/* Items */
.key-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.key-card {
    background: var(--card-bg);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    padding: 20px;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.key-card:hover {
    background: rgba(255, 255, 255, 0.06);
    transform: translateY(-2px);
    border-color: rgba(255, 255, 255, 0.1);
}

.key-card:active {
    transform: scale(0.98);
}

.key-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.key-info h3 {
    font-size: 1.1rem;
    font-weight: 600;
}

.key-info p {
    font-size: 0.85rem;
    color: var(--text-dim);
    word-break: break-all;
}

.delete-btn {
    opacity: 0.3;
    transition: var(--transition);
    color: var(--danger);
    padding: 5px;
}

.key-card:hover .delete-btn {
    opacity: 1;
}

.secret-info, .id-info {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 4px;
    font-size: 0.8rem;
    color: var(--text-dim);
}

.secret-info code, .id-info code {
    background: rgba(255, 255, 255, 0.05);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'JetBrains Mono', monospace;
    color: var(--primary-dark);
}

.tiny-btn {
    padding: 2px;
    opacity: 0.5;
    transition: var(--transition);
}

.tiny-btn:hover {
    opacity: 1;
    color: var(--primary);
}

.tiny-btn svg {
    width: 14px;
    height: 14px;
}

/* TOTP Code Section */
.code-reveal {
    height: 0;
    overflow: hidden;
    transition: var(--transition);
    text-align: center;
}

.key-card.expanded .code-reveal {
    height: 100px;
    margin-top: 15px;
}

.totp-code {
    font-family: 'JetBrains Mono', monospace;
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: 5px;
    color: var(--primary);
    margin: 10px 0;
}

.timer-container {
    width: 100%;
    height: 3px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    margin-top: 10px;
}

.timer-bar {
    height: 100%;
    background: var(--primary);
    width: 100%;
    transition: width 0.1s linear;
}

/* Modals */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    padding: 20px;
}

.modal {
    background: #1a1e26;
    padding: 30px;
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 400px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
    animation: modalIn 0.3s ease-out;
}

@keyframes modalIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.modal h2 {
    margin-bottom: 15px;
    font-size: 1.4rem;
}

.modal p {
    color: var(--text-dim);
    margin-bottom: 20px;
}

.input-group, .input-group-vertical {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.password-field {
    position: relative;
    display: flex;
    align-items: center;
}

.password-field input {
    width: 100%;
    padding-right: 45px;
}

#toggleAccessKey {
    position: absolute;
    right: 10px;
    opacity: 0.5;
}

#toggleAccessKey:hover {
    opacity: 1;
}

.field {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.field label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-dim);
    text-transform: uppercase;
}

input, select {
    background: #1a1e26;
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 12px 15px;
    border-radius: var(--radius-md);
    color: white;
    font-family: inherit;
    font-size: 1rem;
    outline: none;
    transition: var(--transition);
}

input:focus, select:focus {
    border-color: var(--primary);
    background: #252a34;
}

/* Buttons */
.icon-btn {
    background: none;
    border: none;
    color: var(--text-main);
    cursor: pointer;
    padding: 5px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

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

.primary-btn {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #000;
    border: none;
    padding: 12px 20px;
    border-radius: var(--radius-md);
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
}

.primary-btn:hover {
    box-shadow: 0 0 20px var(--primary-glow);
    transform: translateY(-2px);
}

.secondary-btn {
    background: rgba(255, 255, 255, 0.05);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 12px 20px;
    border-radius: var(--radius-md);
    cursor: pointer;
}

.danger-btn {
    background: var(--danger);
    color: white;
    border: none;
    padding: 12px 20px;
    border-radius: var(--radius-md);
    cursor: pointer;
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 25px;
}

/* Utils */
.hidden { display: none !important; }

.empty-state {
    text-align: center;
    padding: 60px 20px;
    background: var(--card-bg);
    border-radius: var(--radius-lg);
}

.empty-icon { font-size: 3rem; margin-bottom: 20px; }
.subtitle { font-size: 0.9rem; color: var(--text-dim); }

.toast {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: #000;
    padding: 12px 25px;
    border-radius: 40px;
    font-weight: 700;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    z-index: 2000;
    animation: toastUp 0.3s ease-out;
}

@keyframes toastUp {
    from { bottom: 0; opacity: 0; }
    to { bottom: 30px; opacity: 1; }
}

/* Mobile Adjustments */
@media (max-width: 480px) {
    .app-container { padding: 15px; }
    .header-content { padding: 12px 20px; }
    .totp-code { font-size: 2rem; letter-spacing: 3px; }
}