/* Tahlio Styles - Blue Theme */

:root {
    /* Primary Blue Scale (Tailwind blue-600 based) */
    --tahlio-primary-50: #EFF6FF;
    --tahlio-primary-100: #DBEAFE;
    --tahlio-primary-200: #BFDBFE;
    --tahlio-primary-300: #93C5FD;
    --tahlio-primary-400: #60A5FA;
    --tahlio-primary: #2563EB;
    --tahlio-primary-hover: #1D4ED8;
    --tahlio-primary-active: #1E40AF;
    --tahlio-primary-light: #EFF6FF;
    --tahlio-primary-text: #FFFFFF;

    /* Accent Amber */
    --tahlio-accent: #F59E0B;
    --tahlio-accent-light: #FEF3C7;
    --tahlio-accent-hover: #D97706;

    /* Neutral Grays */
    --tahlio-text: #111827;
    --tahlio-text-secondary: #4B5563;
    --tahlio-text-muted: #9CA3AF;
    --tahlio-background: #F9FAFB;
    --tahlio-surface: #FFFFFF;
    --tahlio-border: #E5E7EB;
    --tahlio-border-hover: #D1D5DB;

    /* Status Colors */
    --tahlio-success: #10B981;
    --tahlio-success-light: #D1FAE5;
    --tahlio-error: #EF4444;
    --tahlio-error-light: #FEE2E2;
    --tahlio-warning: #F59E0B;
    --tahlio-warning-light: #FEF3C7;

    /* Shadows */
    --tahlio-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --tahlio-shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --tahlio-shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    --tahlio-shadow-primary: 0 4px 14px rgba(37, 99, 235, 0.35);

    /* Spacing */
    --tahlio-xs: 4px;
    --tahlio-s: 8px;
    --tahlio-m: 12px;
    --tahlio-l: 16px;
    --tahlio-xl: 24px;
    --tahlio-xxl: 32px;
    --tahlio-xxxl: 48px;

    /* Border Radius */
    --tahlio-radius-s: 8px;
    --tahlio-radius-m: 12px;
    --tahlio-radius-l: 16px;
    --tahlio-radius-xl: 20px;
    --tahlio-radius-full: 100px;

    /* Transitions */
    --tahlio-transition-fast: 0.15s ease;
    --tahlio-transition: 0.2s ease;
    --tahlio-transition-slow: 0.3s ease;
    --tahlio-transition-bounce: 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; -webkit-text-size-adjust: 100%; }

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 16px;
    line-height: 1.5;
    color: var(--tahlio-text);
    background-color: var(--tahlio-background);
    min-height: 100vh;
}

body.has-footer {
    display: flex;
    flex-direction: column;
}

a { color: var(--tahlio-primary); text-decoration: none; }

/* Layout */
main { flex: 1; }
.container { max-width: 600px; margin: 0 auto; padding: var(--tahlio-l); }

/* Header */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: var(--tahlio-surface);
    border-bottom: 1px solid var(--tahlio-border);
    padding: var(--tahlio-m) var(--tahlio-l);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 600px;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: 600;
    font-size: 18px;
    color: var(--tahlio-primary);
    text-decoration: none;
}

.logo-icon {
    width: 28px;
    height: 28px;
}

.nav {
    display: flex;
    gap: 16px;
}

.nav-link {
    text-decoration: none;
    color: inherit;
}

/* Buttons */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--tahlio-s);
    background: linear-gradient(180deg, #3B82F6 0%, #2563EB 50%, #1D4ED8 100%);
    color: var(--tahlio-primary-text);
    border: none;
    border-bottom: 3px solid #1E40AF;
    padding: 14px 24px;
    border-radius: var(--tahlio-radius-m);
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    min-height: 44px;
    text-decoration: none;
    box-shadow: var(--tahlio-shadow-primary);
    transition: transform var(--tahlio-transition-fast),
                box-shadow var(--tahlio-transition-fast),
                background var(--tahlio-transition-fast);
}

.btn-primary:hover {
    background: linear-gradient(180deg, #60A5FA 0%, #3B82F6 50%, #2563EB 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(37, 99, 235, 0.4);
}

.btn-primary:active {
    transform: translateY(1px);
    box-shadow: none;
    border-bottom-width: 1px;
}

.btn-primary:disabled {
    background: var(--tahlio-border);
    color: var(--tahlio-text-muted);
    border-bottom-color: var(--tahlio-border-hover);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    color: var(--tahlio-text);
    border: 1px solid var(--tahlio-border);
    padding: 14px 24px;
    border-radius: var(--tahlio-radius-m);
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    min-height: 44px;
    text-decoration: none;
    transition: border-color var(--tahlio-transition-fast),
                background var(--tahlio-transition-fast);
}

.btn-secondary:hover {
    border-color: var(--tahlio-primary);
    background: var(--tahlio-primary-light);
}

.btn-danger {
    background: var(--tahlio-error);
    color: white;
    border: none;
    border-bottom: 3px solid #B91C1C;
    padding: 14px 24px;
    border-radius: var(--tahlio-radius-m);
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    min-height: 44px;
    transition: transform var(--tahlio-transition-fast),
                box-shadow var(--tahlio-transition-fast);
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 14px rgba(239, 68, 68, 0.35);
}

.btn-danger:active {
    transform: translateY(1px);
    box-shadow: none;
    border-bottom-width: 1px;
}

/* Cards */
.card {
    background: var(--tahlio-surface);
    border-radius: var(--tahlio-radius-xl);
    padding: var(--tahlio-xl);
    box-shadow: var(--tahlio-shadow-md);
}

/* Flash Messages */
.flash-messages { max-width: 600px; margin: 0 auto; padding: var(--tahlio-m) var(--tahlio-l); }
.flash { padding: var(--tahlio-m); border-radius: var(--tahlio-radius-m); margin-bottom: var(--tahlio-s); font-size: 14px; font-weight: 500; }
.flash-success { background: var(--tahlio-success-light); color: var(--tahlio-success); border: 1px solid var(--tahlio-success); }
.flash-error { background: var(--tahlio-error-light); color: var(--tahlio-error); border: 1px solid var(--tahlio-error); }
.flash-warning { background: var(--tahlio-warning-light); color: var(--tahlio-warning); border: 1px solid var(--tahlio-warning); }

/* Language Selector */
.lang-selector { position: relative; }
.lang-btn {
    display: flex;
    align-items: center;
    gap: 4px;
    background: transparent;
    border: 1px solid var(--tahlio-border);
    border-radius: var(--tahlio-radius-m);
    padding: 4px 8px;
    font-size: 14px;
    cursor: pointer;
    min-height: 36px;
}
.lang-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 4px;
    background: var(--tahlio-surface);
    border: 1px solid var(--tahlio-border);
    border-radius: var(--tahlio-radius-m);
    box-shadow: var(--tahlio-shadow-md);
    min-width: 140px;
    z-index: 1000;
}
.lang-option {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    padding: 8px 12px;
    background: transparent;
    border: none;
    font-size: 14px;
    cursor: pointer;
    text-align: left;
}
.lang-option:hover { background: var(--tahlio-background); }
.lang-option.active { background: var(--tahlio-primary); color: white; }

/* Login Page */
.login-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: var(--tahlio-l);
}

.login-card {
    background: var(--tahlio-surface);
    border-radius: var(--tahlio-radius-xl);
    padding: var(--tahlio-xxl);
    box-shadow: var(--tahlio-shadow-lg);
    text-align: center;
    width: 100%;
    max-width: 400px;
}

.login-icon { margin-bottom: var(--tahlio-l); }
.login-logo { width: 96px; height: 96px; }
.login-title { font-size: 28px; font-weight: 700; margin-bottom: var(--tahlio-s); color: var(--tahlio-text); }
.login-subtitle { font-size: 16px; color: var(--tahlio-text-secondary); margin-bottom: var(--tahlio-xl); }

.telegram-widget-container {
    display: flex;
    justify-content: center;
    margin-bottom: var(--tahlio-xl);
    min-height: 40px; /* Prevent layout shift */
}

.login-card .lang-selector {
    display: flex;
    justify-content: center;
    margin-top: var(--tahlio-xl);
    border-top: 1px solid var(--tahlio-border);
    padding-top: var(--tahlio-xl);
}

/* Footer */
.footer {
    margin-top: auto;
    padding: var(--tahlio-xl) var(--tahlio-l);
    text-align: center;
    border-top: 1px solid var(--tahlio-border);
    background: var(--tahlio-surface);
}

.footer-content {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--tahlio-m);
}

.footer-link {
    color: var(--tahlio-text-secondary);
    font-size: 14px;
    text-decoration: none;
    transition: color 0.2s;
}

.footer-link:hover {
    color: var(--tahlio-text);
}

.footer-link-danger:hover {
    color: var(--tahlio-error);
}

.footer-divider {
    color: var(--tahlio-border);
}

/* Utilities */
[x-cloak] { display: none !important; }

/* Responsive */
@media (max-width: 480px) {
    .header { padding: 8px 12px; }
    .container { padding: 12px; }
}