:root {
    --background-color: #121212;
    --secondary-background: #1e1e1e;
    --primary-text-color: #e0e0e0;
    --secondary-text-color: #a0a0a0;
    --accent-color: #0a0a0a; /* Vercel black button */
    --accent-hover-color: #111;
    --accent-danger: #e11d48; /* rose-600 */
    --accent-danger-hover: #be123c;
    --border-color: #333;
    --error-color: #e53e3e;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --card-gradient: radial-gradient(1400px 700px at 50% -10%, rgba(225, 29, 72, 0.14), transparent 60%);
    /* glass variables */
    --glass-bg: rgba(255,255,255,0.03);
    --glass-bg-strong: rgba(255,255,255,0.06);
    --glass-border: rgba(255,255,255,0.08);
    --glass-border-strong: rgba(255,255,255,0.14);
    --shadow-lg: 0 10px 30px rgba(0,0,0,0.35);
    --shadow-md: 0 6px 18px rgba(0,0,0,0.28);
    --ring: 0 0 0 1px rgba(255,255,255,0.12);
    --ring-danger: 0 0 0 1px rgba(225,29,72,0.35);
}

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

body {
    font-family: var(--font-family);
    background-color: var(--background-color);
    background-image: var(--card-gradient);
    color: var(--primary-text-color);
    font-size: 16px;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
}

.app-header {
    text-align: center;
    margin-bottom: 2rem;
}

.app-header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.app-header p {
    color: var(--secondary-text-color);
    font-size: 1.1rem;
}

.command-bar {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    justify-content: center;
}

.file-input-wrapper input[type="file"] {
    display: none;
}

.btn {
    background: linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.01)) no-repeat,
        var(--accent-color);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    border-radius: 10px;
    cursor: pointer;
    transition: background-color 0.2s ease, transform 0.1s ease;
    font-weight: 600;
    box-shadow: 0 1px 0 rgba(255,255,255,0.08) inset, var(--shadow-md);
}

.btn:hover {
    background-color: var(--accent-hover-color);
    box-shadow: 0 1px 0 rgba(255,255,255,0.08) inset, var(--shadow-lg);
}

.btn:active {
    transform: scale(0.98);
}

.btn.btn-secondary {
    background-color: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--primary-text-color);
    backdrop-filter: saturate(140%) blur(10px);
    box-shadow: 0 1px 0 rgba(255,255,255,0.06) inset, 0 8px 16px rgba(0,0,0,0.25);
}

.btn-danger {
    background: linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.02)) no-repeat,
        var(--accent-danger);
}

.btn-danger:hover { background-color: var(--accent-danger-hover); }

.btn.btn-secondary:hover {
    background-color: #2c2c2c;
}

.btn:disabled {
    background-color: #2a2a2a;
    color: #555;
    cursor: not-allowed;
}

/* removed password prompt */

input[type="password"], input[type="search"], input[type="text"], input[type="number"], input[type="url"], textarea {
    width: 100%;
    background-color: rgba(255,255,255,0.02);
    border: 1px solid var(--glass-border);
    color: var(--primary-text-color);
    padding: 0.75rem;
    border-radius: 8px;
    font-size: 1rem;
}

input:focus, textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: var(--ring);
}

.dashboard {
    margin-top: 2rem;
}

.summary-card {
    background-color: var(--glass-bg);
    padding: 1.5rem;
    border-radius: 12px;
    text-align: center;
    margin-bottom: 2rem;
    border: 1px solid var(--glass-border);
    backdrop-filter: saturate(140%) blur(10px);
    box-shadow: var(--shadow-md);
}

.summary-card h3 {
    color: var(--secondary-text-color);
    margin-bottom: 0.5rem;
}

.summary-card p {
    font-size: 2rem;
    font-weight: bold;
}

.controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    gap: 1rem;
}

.subscription-list {
    display: grid;
    gap: 1rem;
}

.subscription-item {
    background-color: var(--glass-bg);
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid var(--glass-border);
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 1rem;
    align-items: center;
    transition: transform .15s ease, border-color .2s ease, background-color .2s ease;
}

.subscription-item:hover {
    transform: translateY(-1px);
    border-color: var(--glass-border-strong);
    background-color: var(--glass-bg-strong);
}

.subscription-item-info h3 {
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.subscription-item-info p {
    color: var(--secondary-text-color);
    margin-bottom: 0.25rem;
}

.subscription-item-info a {
    color: var(--accent-danger);
    text-decoration: none;
}
.subscription-item-info a:hover {
    color: var(--accent-danger-hover);
    text-decoration: underline;
}

.subscription-item-actions {
    display: flex;
    gap: 0.5rem;
}

.badge {
    display: inline-block;
    padding: 0.2rem 0.5rem;
    border-radius: 999px;
    background: rgba(225, 29, 72, 0.15);
    border: 1px solid rgba(225, 29, 72, 0.45);
    color: #fecaca;
    font-size: 0.8rem;
}

.empty-state {
    color: var(--secondary-text-color);
    text-align: center;
    padding: 2rem 0;
}

/* Modal Styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(800px 300px at 20% 10%, rgba(225,29,72,0.20), transparent 60%),
        radial-gradient(800px 300px at 80% 10%, rgba(0,112,243,0.14), transparent 60%),
        rgba(0, 0, 0, 0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal-content {
    background-color: var(--glass-bg);
    padding: 2rem;
    border-radius: 12px;
    width: 90%;
    max-width: 500px;
    border: 1px solid var(--glass-border);
    backdrop-filter: saturate(140%) blur(12px);
    box-shadow: var(--shadow-lg);
}

.auth-header { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.auth-mode-switch { display: flex; gap: .5rem; }

#subscription-form .form-group {
    margin-bottom: 1rem;
}

#subscription-form label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--secondary-text-color);
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    margin-top: 2rem;
}

/* Load modal dropzone */
.dropzone {
    border: 1px dashed var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    background: rgba(255,255,255,0.02);
    text-align: center;
    transition: border-color .2s ease, background-color .2s ease;
}
.dropzone.dragover {
    border-color: var(--accent-color);
    background: rgba(0,112,243,0.08);
}
.dropzone-inner .muted { color: var(--secondary-text-color); font-size: .9rem; }
.file-name { color: var(--secondary-text-color); margin-top: .5rem; word-break: break-all; }

/* Toasts */
.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    display: grid;
    gap: 10px;
    z-index: 2000;
}
.toast {
    background: rgba(24,24,27,0.7);
    color: var(--primary-text-color);
    border: 1px solid var(--glass-border);
    padding: 0.75rem 1rem;
    border-radius: 10px;
    backdrop-filter: saturate(140%) blur(10px);
    box-shadow: var(--shadow-md);
    min-width: 240px;
}
.toast.success { border-color: rgba(16,185,129,0.5); }
.toast.error { border-color: rgba(239,68,68,0.5); }
.toast.info { border-color: rgba(59,130,246,0.5); }

/* Responsive */
@media (max-width: 600px) {
    .controls {
        flex-direction: column;
        align-items: stretch;
    }

    .subscription-item {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .subscription-item-actions {
        justify-self: flex-start;
    }
}