/* ============================================
   TANICO - IA Newsletter Vi
   Estils globals - Tons vi/granat
   ============================================ */

:root {
    --wine: #722F37;
    --wine-dark: #4A1C23;
    --wine-light: #8B3A42;
    --wine-soft: #F5E6E8;
    --wine-bg: #FDF8F8;
    --gold: #C9A84C;
    --gold-light: #E8D48B;
    --cream: #FAF7F2;
    --dark: #1A1A2E;
    --dark-soft: #2D2D44;
    --text: #2C2C2C;
    --text-soft: #6B6B6B;
    --text-light: #999;
    --border: #E8E0E1;
    --success: #2D8B46;
    --error: #C0392B;
    --shadow: 0 2px 12px rgba(114, 47, 55, 0.08);
    --shadow-lg: 0 8px 30px rgba(114, 47, 55, 0.12);
    --radius: 12px;
    --radius-sm: 8px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --font-serif: "Playfair Display", Georgia, serif;
}

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

body {
    font-family: var(--font);
    color: var(--text);
    background: var(--cream);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { font-family: var(--font-serif); color: var(--wine-dark); line-height: 1.2; }
h1 { font-size: 2.8rem; font-weight: 700; }
h2 { font-size: 2rem; font-weight: 600; }
h3 { font-size: 1.4rem; font-weight: 600; }
p { color: var(--text-soft); line-height: 1.7; }
a { color: var(--wine); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--wine-dark); }

.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 12px 28px; border-radius: var(--radius-sm);
    font-family: var(--font); font-size: 0.95rem; font-weight: 600;
    cursor: pointer; border: none; transition: var(--transition);
    text-decoration: none;
}
.btn-primary { background: var(--wine); color: white; }
.btn-primary:hover { background: var(--wine-dark); transform: translateY(-1px); box-shadow: var(--shadow-lg); }
.btn-secondary { background: transparent; color: var(--wine); border: 2px solid var(--wine); }
.btn-secondary:hover { background: var(--wine); color: white; }
.btn-gold { background: var(--gold); color: var(--dark); }
.btn-gold:hover { background: var(--gold-light); transform: translateY(-1px); }
.btn-sm { padding: 8px 18px; font-size: 0.85rem; }
.btn-lg { padding: 16px 36px; font-size: 1.1rem; }
.btn-block { width: 100%; justify-content: center; }

.card {
    background: white; border-radius: var(--radius);
    box-shadow: var(--shadow); padding: 28px;
    transition: var(--transition);
}
.card:hover { box-shadow: var(--shadow-lg); }

.form-group { margin-bottom: 20px; }
.form-group label {
    display: block; margin-bottom: 6px;
    font-size: 0.9rem; font-weight: 600; color: var(--text);
}
.form-control {
    width: 100%; padding: 12px 16px;
    border: 1.5px solid var(--border); border-radius: var(--radius-sm);
    font-family: var(--font); font-size: 0.95rem;
    transition: var(--transition); background: white;
}
.form-control:focus {
    outline: none; border-color: var(--wine);
    box-shadow: 0 0 0 3px rgba(114, 47, 55, 0.1);
}

.navbar {
    display: flex; align-items: center; justify-content: space-between;
    padding: 16px 40px; background: white;
    border-bottom: 1px solid var(--border);
    position: sticky; top: 0; z-index: 100;
}
.navbar-brand {
    font-family: var(--font-serif); font-size: 1.5rem;
    font-weight: 700; color: var(--wine-dark);
}
.navbar-brand span { color: var(--gold); }
.navbar-links { display: flex; gap: 32px; align-items: center; }
.navbar-links a { color: var(--text-soft); font-size: 0.95rem; font-weight: 500; }
.navbar-links a:hover { color: var(--wine); }

.hero {
    text-align: center; padding: 100px 40px 80px;
    background: linear-gradient(180deg, white 0%, var(--cream) 100%);
}
.hero h1 { margin-bottom: 20px; max-width: 700px; margin-left: auto; margin-right: auto; }
.hero h1 span { color: var(--wine); }
.hero p { font-size: 1.15rem; max-width: 600px; margin: 0 auto 36px; color: var(--text-soft); }
.hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.hero-badge {
    display: inline-block; padding: 6px 16px;
    background: var(--wine-soft); color: var(--wine);
    border-radius: 20px; font-size: 0.85rem; font-weight: 600;
    margin-bottom: 20px;
}

.features {
    display: grid; grid-template-columns: repeat(3, 1fr);
    gap: 28px; padding: 60px 40px; max-width: 1100px; margin: 0 auto;
}
.feature-card { text-align: center; padding: 36px 24px; }
.feature-icon {
    width: 60px; height: 60px; border-radius: 50%;
    background: var(--wine-soft); color: var(--wine);
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 20px; font-size: 1.5rem;
}
.feature-card h3 { margin-bottom: 10px; font-size: 1.15rem; }
.feature-card p { font-size: 0.9rem; }

.pricing { padding: 80px 40px; text-align: center; background: white; }
.pricing h2 { margin-bottom: 12px; }
.pricing > p { margin-bottom: 48px; }
.pricing-grid {
    display: grid; grid-template-columns: repeat(3, 1fr);
    gap: 24px; max-width: 960px; margin: 0 auto;
}
.pricing-card {
    padding: 36px 28px; border: 2px solid var(--border);
    border-radius: var(--radius); text-align: center;
    position: relative; transition: var(--transition);
}
.pricing-card:hover { border-color: var(--wine); transform: translateY(-4px); }
.pricing-card.featured { border-color: var(--wine); background: var(--wine-bg); }
.pricing-card.featured::before {
    content: "Popular"; position: absolute; top: -12px; left: 50%;
    transform: translateX(-50%); background: var(--wine); color: white;
    padding: 4px 16px; border-radius: 12px; font-size: 0.8rem; font-weight: 600;
}
.pricing-name { font-size: 1.1rem; font-weight: 600; color: var(--text); margin-bottom: 8px; }
.pricing-price {
    font-family: var(--font-serif); font-size: 2.5rem;
    color: var(--wine-dark); font-weight: 700; margin-bottom: 4px;
}
.pricing-price span { font-size: 1rem; color: var(--text-soft); font-family: var(--font); }
.pricing-desc { font-size: 0.85rem; color: var(--text-light); margin-bottom: 24px; }
.pricing-features { list-style: none; text-align: left; margin-bottom: 28px; }
.pricing-features li {
    padding: 8px 0; font-size: 0.9rem; color: var(--text-soft);
    border-bottom: 1px solid var(--border);
}

.chat-container {
    max-width: 800px; margin: 0 auto; padding: 20px;
    height: calc(100vh - 70px); display: flex; flex-direction: column;
}
.chat-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 16px 0; border-bottom: 1px solid var(--border);
}
.chat-credits {
    background: var(--wine-soft); color: var(--wine);
    padding: 6px 14px; border-radius: 20px; font-size: 0.85rem; font-weight: 600;
}
.chat-messages {
    flex: 1; overflow-y: auto; padding: 20px 0;
    display: flex; flex-direction: column; gap: 16px;
}
.chat-msg {
    max-width: 85%; padding: 14px 18px;
    border-radius: 16px; font-size: 0.95rem; line-height: 1.6;
}
.chat-msg-user {
    align-self: flex-end; background: var(--wine); color: white;
    border-bottom-right-radius: 4px;
}
.chat-msg-ai {
    align-self: flex-start; background: white;
    border: 1px solid var(--border); border-bottom-left-radius: 4px;
}
.chat-msg-ai .source {
    display: inline-block; margin-top: 10px; padding: 3px 10px;
    background: var(--wine-soft); color: var(--wine);
    border-radius: 10px; font-size: 0.75rem; font-weight: 600;
    margin-right: 4px;
}
.chat-input-area {
    display: flex; gap: 12px; padding: 16px 0;
    border-top: 1px solid var(--border);
}
.chat-input {
    flex: 1; padding: 14px 18px; border: 1.5px solid var(--border);
    border-radius: 24px; font-family: var(--font); font-size: 0.95rem;
    outline: none; transition: var(--transition);
}
.chat-input:focus { border-color: var(--wine); }
.chat-send {
    width: 48px; height: 48px; border-radius: 50%;
    background: var(--wine); color: white; border: none;
    cursor: pointer; display: flex; align-items: center;
    justify-content: center; transition: var(--transition);
    font-size: 1.2rem;
}
.chat-send:hover { background: var(--wine-dark); transform: scale(1.05); }
.chat-typing {
    align-self: flex-start; padding: 10px 18px;
    background: white; border: 1px solid var(--border);
    border-radius: 16px; font-size: 0.85rem; color: var(--text-light);
}
.chat-typing span {
    animation: blink 1.4s infinite both;
}
.chat-typing span:nth-child(2) { animation-delay: 0.2s; }
.chat-typing span:nth-child(3) { animation-delay: 0.4s; }
@keyframes blink { 0%, 100% { opacity: 0.2; } 50% { opacity: 1; } }

.admin-layout { display: grid; grid-template-columns: 240px 1fr; min-height: 100vh; }
.admin-sidebar { background: var(--dark); padding: 24px 0; color: white; }
.admin-sidebar-brand {
    padding: 0 24px 24px; font-family: var(--font-serif);
    font-size: 1.3rem; border-bottom: 1px solid var(--dark-soft);
}
.admin-sidebar-brand span { color: var(--gold); }
.admin-nav { padding: 16px 0; }
.admin-nav a {
    display: flex; align-items: center; gap: 12px;
    padding: 12px 24px; color: rgba(255,255,255,0.6);
    font-size: 0.9rem; transition: var(--transition);
}
.admin-nav a:hover, .admin-nav a.active { color: white; background: rgba(255,255,255,0.08); }
.admin-content { padding: 32px; background: var(--cream); }
.admin-content h2 { margin-bottom: 24px; }
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-bottom: 32px; }
.stat-card { background: white; padding: 24px; border-radius: var(--radius); box-shadow: var(--shadow); }
.stat-card .stat-label { font-size: 0.85rem; color: var(--text-light); margin-bottom: 4px; }
.stat-card .stat-value { font-size: 2rem; font-weight: 700; color: var(--wine-dark); }
.stat-card .stat-change { font-size: 0.8rem; color: var(--success); margin-top: 4px; }

.auth-page {
    min-height: 100vh; display: flex; align-items: center;
    justify-content: center; background: var(--cream);
}
.auth-card {
    width: 100%; max-width: 420px; padding: 40px;
    background: white; border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
}
.auth-card h2 { text-align: center; margin-bottom: 8px; }
.auth-card .auth-subtitle {
    text-align: center; color: var(--text-light);
    margin-bottom: 32px; font-size: 0.9rem;
}
.auth-footer { text-align: center; margin-top: 24px; font-size: 0.9rem; color: var(--text-soft); }

.table-container { overflow-x: auto; background: white; border-radius: var(--radius); box-shadow: var(--shadow); }
table { width: 100%; border-collapse: collapse; }
th {
    padding: 14px 16px; text-align: left; font-size: 0.8rem;
    text-transform: uppercase; letter-spacing: 0.5px;
    color: var(--text-light); border-bottom: 2px solid var(--border); background: var(--cream);
}
td { padding: 12px 16px; border-bottom: 1px solid var(--border); font-size: 0.9rem; }
tr:hover { background: var(--wine-bg); }

.badge {
    display: inline-block; padding: 4px 10px;
    border-radius: 12px; font-size: 0.75rem; font-weight: 600;
}
.badge-success { background: #E8F5E9; color: var(--success); }
.badge-warning { background: #FFF3E0; color: #E65100; }
.badge-wine { background: var(--wine-soft); color: var(--wine); }

.footer {
    padding: 40px; text-align: center; background: var(--dark); color: rgba(255,255,255,0.5);
    font-size: 0.85rem;
}
.footer a { color: var(--gold); }

@media (max-width: 768px) {
    h1 { font-size: 2rem; }
    .features { grid-template-columns: 1fr; }
    .pricing-grid { grid-template-columns: 1fr; }
    .navbar { padding: 12px 20px; }
    .navbar-links { display: none; }
    .hero { padding: 60px 20px 40px; }
    .stat-grid { grid-template-columns: repeat(2, 1fr); }
    .admin-layout { grid-template-columns: 1fr; }
    .admin-sidebar { display: none; }
}