:root {
    --color-bg: #0f0f12;
    --color-surface: #1a1a22;
    --color-surface-2: #242430;
    --color-primary: #ff6b35;
    --color-primary-dark: #e55a28;
    --color-accent: #ffd166;
    --color-text: #f5f5f7;
    --color-text-muted: #9a9aad;
    --color-success: #4ade80;
    --color-warning: #fbbf24;
    --color-error: #f87171;
    --radius: 16px;
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

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

body {
    font-family: 'Vazirmatn', Tahoma, sans-serif;
    background: var(--color-bg);
    background-image:
        radial-gradient(ellipse at 20% 0%, rgba(255, 107, 53, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 100%, rgba(255, 209, 102, 0.08) 0%, transparent 50%);
    color: var(--color-text);
    min-height: 100vh;
    line-height: 1.7;
}

.app-container {
    max-width: 440px;
    margin: 0 auto;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    padding: 1rem;
}

.app-container.index-page {
    max-width: 960px;
    width: 100%;
}

.app-container.index-page .app-main {
    align-items: stretch;
}

.app-container.index-page .card {
    max-width: none;
}

.app-header {
    text-align: center;
    padding: 1.5rem 0 1rem;
}

.logo {
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.tagline {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin-top: 0.25rem;
}

.app-main {
    flex: 1;
    display: flex;
    align-items: flex-start;
    padding: 0.5rem 0 2rem;
}

.app-footer {
    text-align: center;
    padding: 1rem 0;
    color: var(--color-text-muted);
    font-size: 0.75rem;
}

.card {
    background: var(--color-surface);
    border-radius: var(--radius);
    padding: 2rem 1.5rem;
    box-shadow: var(--shadow);
    width: 100%;
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.card-icon {
    font-size: 3rem;
    text-align: center;
    margin-bottom: 0.75rem;
}

.card-title {
    font-size: 1.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 0.5rem;
}

.card-desc {
    color: var(--color-text-muted);
    text-align: center;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    font-size: 0.9rem;
}

.form-input {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 2px solid var(--color-surface-2);
    border-radius: 12px;
    background: var(--color-surface-2);
    color: var(--color-text);
    font-family: inherit;
    font-size: 1.1rem;
    transition: border-color 0.2s;
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
}

.form-error {
    display: block;
    color: var(--color-error);
    font-size: 0.85rem;
    margin-top: 0.4rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 1.5rem;
    border: none;
    border-radius: 12px;
    font-family: inherit;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.15s, opacity 0.15s, background 0.15s;
    text-decoration: none;
}

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

.btn:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.btn-block {
    width: 100%;
}

.btn-lg {
    padding: 1.1rem 1.5rem;
    font-size: 1.1rem;
}

.btn-primary {
    background: var(--color-primary);
    color: #fff;
}

.btn-primary:hover:not(:disabled) {
    background: var(--color-primary-dark);
}

.btn-accent {
    background: linear-gradient(135deg, var(--color-primary), #ff8c42);
    color: #fff;
}

.btn-accent:hover:not(:disabled) {
    opacity: 0.9;
}

.btn-outline {
    background: transparent;
    color: var(--color-text-muted);
    border: 2px solid var(--color-surface-2);
}

.btn-outline:hover {
    border-color: var(--color-text-muted);
    color: var(--color-text);
}

.action-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.info-box {
    background: var(--color-surface-2);
    border-radius: 12px;
    padding: 1rem;
    margin-bottom: 1.5rem;
}

.info-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.4rem 0;
    font-size: 0.9rem;
}

.info-row + .info-row {
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    margin-top: 0.25rem;
    padding-top: 0.65rem;
}

.info-label {
    color: var(--color-text-muted);
}

.info-value {
    font-weight: 600;
    direction: ltr;
}

.info-muted {
    color: var(--color-text-muted);
    justify-content: center;
}

.info-warning {
    color: var(--color-warning);
    justify-content: center;
    font-weight: 500;
}

.messages {
    margin-bottom: 0.75rem;
}

.alert {
    padding: 0.875rem 1rem;
    border-radius: 12px;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.alert-success {
    background: rgba(74, 222, 128, 0.15);
    color: var(--color-success);
    border: 1px solid rgba(74, 222, 128, 0.3);
}

.alert-warning {
    background: rgba(251, 191, 36, 0.15);
    color: var(--color-warning);
    border: 1px solid rgba(251, 191, 36, 0.3);
}

.alert-error {
    background: rgba(248, 113, 113, 0.15);
    color: var(--color-error);
    border: 1px solid rgba(248, 113, 113, 0.3);
}

.alert-info {
    background: rgba(96, 165, 250, 0.15);
    color: #60a5fa;
    border: 1px solid rgba(96, 165, 250, 0.3);
}

.status-text {
    text-align: center;
    margin-top: 1rem;
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

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

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

.mt-2 {
    margin-top: 1rem;
}

.hero-grid {
    display: grid;
    gap: 1rem;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: rgba(255, 107, 53, 0.12);
    color: var(--color-accent);
    border: 1px solid rgba(255, 107, 53, 0.25);
    padding: 0.45rem 0.8rem;
    border-radius: 999px;
    font-size: 0.9rem;
    font-weight: 600;
}

.hero-title {
    font-size: 1.8rem;
    line-height: 1.4;
    margin: 0.7rem 0 0.75rem;
}

.hero-text {
    color: var(--color-text-muted);
    font-size: 0.97rem;
    margin-bottom: 1.2rem;
}

.hero-points {
    display: grid;
    gap: 0.75rem;
    margin: 1rem 0 1.4rem;
}

.hero-point {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    padding: 0.85rem 0.95rem;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.hero-point strong {
    display: block;
    margin-bottom: 0.1rem;
}

.hero-point-icon {
    font-size: 1.1rem;
    margin-top: 0.15rem;
}

.hero-cta-group {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.hero-note {
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.85rem;
    margin-top: 0.75rem;
}