:root {
    --azul-oscuro: #0A192F;
    --azul-medio: #112240;
    --turquesa: #00C9A7;
    --turquesa-hover: #00A896;
    --celeste: #4CC9F0;
    --celeste-suave: #E0F7FA;
    --blanco: #FFFFFF;
    --gris-fondo: #F4F7F9;
    --gris-borde: #E2E8F0;
    --texto-oscuro: #1E293B;
    --texto-mutado: #64748B;
    --rojo: #EF4444;
    --verde: #10B981;
    --amarillo: #F59E0B;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body {
    font-family: 'Poppins', sans-serif;
    background: var(--gris-fondo);
    color: var(--texto-oscuro);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* NAVBAR */
.navbar {
    background: var(--azul-oscuro);
    color: white;
    padding: 12px 24px;
    box-shadow: 0 4px 20px rgba(10, 25, 47, 0.15);
    position: sticky;
    top: 0;
    z-index: 100;
}
.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}
.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: white;
}
.brand-logo {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--turquesa), var(--celeste));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--azul-oscuro);
}
.brand-name { font-size: 20px; font-weight: 700; line-height: 1.1; display: block; }
.brand-sub { font-size: 11px; color: var(--celeste); text-transform: uppercase; letter-spacing: 0.5px; }
.text-turquesa { color: var(--turquesa); }

.nav-links {
    display: flex;
    gap: 16px;
    align-items: center;
}
.nav-item {
    color: #CBD5E1;
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    padding: 6px 12px;
    border-radius: 8px;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 6px;
}
.nav-item:hover, .nav-item.active {
    background: rgba(0, 201, 167, 0.15);
    color: var(--turquesa);
}

.nav-user {
    display: flex;
    align-items: center;
    gap: 12px;
}
.user-badge {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--azul-medio);
    padding: 4px 12px 4px 6px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}
.user-avatar {
    width: 28px;
    height: 28px;
    background: var(--turquesa);
    color: var(--azul-oscuro);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 700;
}
.user-info { font-size: 11px; line-height: 1.2; }
.user-info strong { display: block; color: white; }
.user-info small { color: var(--celeste); }

.btn-login {
    background: var(--turquesa);
    color: var(--azul-oscuro);
    padding: 8px 16px;
    border-radius: 8px;
    text-decoration: none;
    font-size: 13px;
    font-weight: 600;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 6px;
}
.btn-login:hover { background: var(--turquesa-hover); color: white; }
.btn-logout {
    background: none;
    border: none;
    color: #94A3B8;
    font-size: 16px;
    cursor: pointer;
    padding: 4px;
}
.btn-logout:hover { color: var(--rojo); }

/* MAIN CONTENT */
.main-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px;
    flex: 1;
    width: 100%;
}

.alert {
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 13px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.alert-success { background: #D1FAE5; color: #065F46; border: 1px solid #A7F3D0; }
.alert-error { background: #FEE2E2; color: #991B1B; border: 1px solid #FECACA; }

/* HERO BANNER */
.hero {
    background: linear-gradient(135deg, var(--azul-oscuro), var(--azul-medio));
    color: white;
    padding: 40px;
    border-radius: 16px;
    margin-bottom: 24px;
    position: relative;
    overflow: hidden;
}
.hero::after {
    content: '';
    position: absolute;
    top: -50%; right: -20%;
    width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(0, 201, 167, 0.2) 0%, transparent 70%);
}
.hero h1 { font-size: 28px; margin-bottom: 8px; font-weight: 700; }
.hero p { color: #94A3B8; font-size: 14px; max-width: 600px; }

/* CARDS & GRIDS */
.objects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    margin-top: 20px;
}
.object-card {
    background: white;
    border: 1px solid var(--gris-borde);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0,0,0,0.04);
    transition: transform 0.2s, box-shadow 0.2s;
    display: flex;
    flex-direction: column;
}
.object-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 24px rgba(10, 25, 47, 0.1);
}
.card-header {
    padding: 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--gris-borde);
}
.card-body { padding: 16px; flex: 1; display: flex; flex-direction: column; }
.card-body h3 { font-size: 16px; margin-bottom: 8px; color: var(--texto-oscuro); }
.card-body p { font-size: 13px; color: var(--texto-mutado); margin-bottom: 12px; flex: 1; }
.card-meta { font-size: 12px; color: #64748B; margin-bottom: 6px; display: flex; align-items: center; gap: 6px; }

.badge {
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
}
.badge-perdido { background: #FEE2E2; color: #DC2626; }
.badge-encontrado { background: #D1FAE5; color: #059669; }
.badge-reclamado { background: #FEF3C7; color: #D97706; }

.btn-primary {
    background: var(--turquesa);
    color: var(--azul-oscuro);
    border: none;
    padding: 10px 16px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 13px;
    cursor: pointer;
    text-decoration: none;
    text-align: center;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}
.btn-primary:hover { background: var(--turquesa-hover); color: white; }

/* FOOTER */
.footer {
    background: var(--azul-oscuro);
    color: #94A3B8;
    padding: 24px;
    font-size: 12px;
    border-top: 1px solid rgba(255,255,255,0.05);
}
.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}