/* ==================================================
   VARIABLES DINÁMICAS (MAGIA DEL SOL Y LA LUNA)
================================================== */
:root { 
    --primary: #4e73df; 
    --bg-main: #0b0f19; 
    --bg-card: #151a26; 
    --text-main: #ffffff; 
    --text-muted: #a1a1a1;
    --border-color: rgba(255,255,255,0.08);
    --cred-bg: #000000;
    --nav-bg: rgba(11, 15, 25, 0.9);
    --glass-bg: rgba(25, 30, 45, 0.75);
    /* Super transparente a la izquierda, sombra sutil a la derecha */
    --overlay-1: rgba(11, 15, 25, 0.05); 
    --overlay-2: rgba(11, 15, 25, 0.7); 
}

body.light-mode {
    --bg-main: #f4f6f9; 
    --bg-card: #ffffff; 
    --text-main: #2c3e50; 
    --text-muted: #6c757d;
    --border-color: rgba(0,0,0,0.1);
    --cred-bg: #f8f9fa;
    --nav-bg: rgba(255, 255, 255, 0.95);
    --glass-bg: rgba(255, 255, 255, 0.85);
    /* Super transparente a la izquierda, niebla sutil a la derecha */
    --overlay-1: rgba(255, 255, 255, 0.05); 
    --overlay-2: rgba(255, 255, 255, 0.7); 
}

body { font-family: 'Poppins', sans-serif; background-color: var(--bg-main); color: var(--text-main); min-height: 100vh; overflow-x: hidden; transition: background-color 0.4s ease, color 0.4s ease; }

/* BOTÓN FLOTANTE TEMA */
.btn-theme-toggle { background: transparent; border: none; font-size: 1.5rem; color: var(--text-main); cursor: pointer; transition: 0.3s; padding: 5px 10px; border-radius: 50%; }
.btn-theme-toggle:hover { color: var(--primary); transform: scale(1.1) rotate(15deg); }
.theme-float-login { position: absolute; top: 20px; left: 25px; z-index: 100; }

/* ==================================================
   LOGIN ALTO CONTRASTE (CAJA COMPACTA Y FONDO NATURAL)
================================================== */
.login-bg { 
    background: linear-gradient(to right, var(--overlay-1) 0%, var(--overlay-2) 100%), var(--bg-login-image) center/cover; 
    min-height: 100vh; 
    display: flex; 
    align-items: center; 
    justify-content: flex-end; 
    padding-right: 12%; 
    position: relative; 
    transition: 0.4s ease; 
}

.glass-login { 
    background: var(--glass-bg); 
    backdrop-filter: blur(12px); 
    border: 1px solid var(--border-color); 
    border-radius: 18px; 
    padding: 35px 30px;  /* Reducido para que no sea tan gorda */
    width: 100%; 
    max-width: 380px; /* Reducido de 450px a 380px */
    box-shadow: -10px 15px 35px rgba(0,0,0,0.3); 
    transition: 0.4s ease; 
}
.glass-login label { color: var(--text-main); font-weight: 600; font-size: 0.8rem; margin-bottom: 5px; display: block;}
.glass-login .form-control { 
    background: var(--cred-bg); 
    border: 1px solid var(--border-color); 
    color: var(--text-main); 
    padding: 10px 15px; /* Campos más compactos */
    font-size: 0.9rem;
    border-radius: 8px;
    transition: 0.3s; 
}
.glass-login .form-control:focus { border-color: var(--primary); background: var(--bg-card); box-shadow: 0 0 10px rgba(78, 115, 223, 0.3); }
.glass-login .form-control::placeholder { color: var(--text-muted); opacity: 0.7; font-size: 0.85rem;}

.btn-primary-custom { background: linear-gradient(45deg, #4e73df, #2e59d9); color: white; border: none; padding: 10px; border-radius: 8px; font-weight: 600; font-size: 0.95rem; text-transform: uppercase; letter-spacing: 1px; transition: 0.3s; }
.btn-primary-custom:hover { transform: translateY(-2px); box-shadow: 0 5px 15px rgba(78, 115, 223, 0.4); color: white; }

/* ESTRUCTURA DASHBOARD APP */
.app-container { display: flex; min-height: 100vh; }

/* SIDEBAR (MENU LATERAL) */
.sidebar { width: 260px; background: var(--bg-card); border-right: 1px solid var(--border-color); padding: 20px 0; display: flex; flex-direction: column; transition: 0.4s ease; z-index: 100;}
.sidebar-header { padding: 0 20px 20px; text-align: center; border-bottom: 1px solid var(--border-color); transition: 0.4s ease;}
.sidebar-avatar { width: 80px; height: 80px; border-radius: 50%; object-fit: cover; border: 3px solid var(--primary); margin-bottom: 10px; }
.nav-item { padding: 10px 20px; display: block; color: var(--text-muted); text-decoration: none; font-weight: 600; transition: 0.3s; cursor: pointer; border-left: 4px solid transparent; }
.nav-item:hover, .nav-item.active { background: rgba(78, 115, 223, 0.1); color: var(--primary); border-left-color: var(--primary); }
.nav-item i { width: 25px; text-align: center; margin-right: 10px; }

/* CONTENT AREA */
.content-area { flex-grow: 1; padding: 30px; }
.section-tab { display: none; animation: fadeIn 0.4s ease; }
.section-tab.active { display: block; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

/* TARJETAS PREMIUM CON BARRA DE PROGRESO */
.service-card { background: var(--bg-card); border-radius: 15px; border: 1px solid var(--border-color); position: relative; overflow: hidden; transition: 0.4s ease; margin-bottom: 25px; box-shadow: 0 5px 15px rgba(0,0,0,0.08);}
.service-card:hover { transform: translateY(-5px); border-color: var(--card-color); box-shadow: 0 10px 25px rgba(0,0,0,0.15); }
.service-header { display: flex; align-items: center; padding: 15px 20px; background: linear-gradient(90deg, rgba(0,0,0,0.05), rgba(0,0,0,0)); border-bottom: 1px solid var(--border-color); }
.service-logo { width: 40px; height: 40px; object-fit: contain; background: #fff; border-radius: 10px; padding: 5px; margin-right: 15px; box-shadow: 0 2px 5px rgba(0,0,0,0.1);}

.cred-box { background: var(--cred-bg); padding: 10px 15px; border-radius: 8px; margin-bottom: 10px; display: flex; justify-content: space-between; align-items: center; border: 1px dashed var(--border-color); transition: 0.4s ease;}
.cred-box span { font-family: monospace; font-size: 1rem; color: #00c853; letter-spacing: 0.5px; font-weight: bold;}
.btn-copy { background: none; border: none; color: var(--text-muted); cursor: pointer; transition: 0.2s; }
.btn-copy:hover { color: var(--primary); transform: scale(1.1); }

/* BARRA DE VENCIMIENTO */
.progress-box { background: var(--cred-bg); border-radius: 10px; padding: 15px; margin-top: 15px; border: 1px solid var(--border-color); transition: 0.4s ease;}
.progress-thin { height: 6px; background: rgba(0,0,0,0.1); border-radius: 5px; overflow: hidden; margin-top: 8px; }
body:not(.light-mode) .progress-thin { background: rgba(255,255,255,0.1); }
.progress-bar-fill { height: 100%; transition: 1s ease-in-out; }

.nav-vip { background: var(--nav-bg); backdrop-filter: blur(10px); padding: 15px 20px; border-bottom: 1px solid var(--border-color); display: flex; justify-content: space-between; align-items: center; transition: 0.4s ease;}

/* Card de perfil */
.card-profile-box { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: 15px; transition: 0.4s ease; }

/* ==================================================
   RESPONSIVE (MÓVILES)
================================================== */
@media (max-width: 768px) {
    .login-bg { justify-content: center; padding-right: 0; padding: 20px; background: linear-gradient(to top, var(--overlay-2) 0%, var(--overlay-1) 100%), var(--bg-login-image) center/cover; }
    .sidebar { position: fixed; bottom: 0; left: 0; width: 100%; height: 70px; flex-direction: row; justify-content: space-around; padding: 0; border-right: none; border-top: 1px solid var(--border-color); background: var(--nav-bg); backdrop-filter: blur(10px); z-index: 1000;}
    .sidebar-header { display: none; }
    .nav-item { border-left: none; border-top: 3px solid transparent; padding: 10px; text-align: center; font-size: 0.7rem; flex-grow: 1; }
    .nav-item i { display: block; margin: 0 auto 5px; font-size: 1.2rem; }
    .nav-item:hover, .nav-item.active { border-left: none; border-top-color: var(--primary); background: transparent; }
    .content-area { padding: 20px 15px 90px; }
}