/* ============================================
   LOGIN PAGE STYLES
   Sistema de Validación de Streaming v2.2
   Extraído de login.php inline styles
   ============================================ */

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

/* Body - Fondo con gradiente y animación */
body {
    font-family: 'Inter', -apple-system, sans-serif;
    background: linear-gradient(135deg, #0a0a0f 0%, #1a1a2e 50%, #16213e 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    position: relative;
    overflow: hidden;
}

/* Efecto de partículas animadas en el fondo */
body::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(2px 2px at 20% 30%, rgba(255, 255, 255, 0.1), transparent),
        radial-gradient(2px 2px at 60% 70%, rgba(255, 255, 255, 0.1), transparent),
        radial-gradient(1px 1px at 50% 50%, rgba(255, 255, 255, 0.1), transparent);
    background-size: 200px 200px, 300px 300px, 150px 150px;
    animation: particle-float 120s linear infinite;
}

@keyframes particle-float {
    0% { transform: translate(0, 0); }
    100% { transform: translate(200px, 200px); }
}

/* Contenedor principal del login */
.login-container {
    background: rgba(26, 26, 46, 0.8);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
    padding: 50px 40px;
    width: 100%;
    max-width: 450px;
    animation: fadeInUp 0.6s ease;
    position: relative;
    z-index: 1;
}

/* Borde superior de gradiente */
.login-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #6366f1, #ec4899);
    border-radius: 24px 24px 0 0;
}

/* Animación de entrada */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Contenedor del logo */
.logo-container {
    text-align: center;
    margin-bottom: 40px;
}

/* Icono del logo con gradiente */
.logo-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #6366f1, #ec4899);
    border-radius: 20px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.5);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.logo-icon i {
    font-size: 2.5rem;
    color: white;
}

/* Título principal */
h1 {
    font-family: 'Poppins', sans-serif;
    font-size: 1.8rem;
    color: #ffffff;
    margin-bottom: 10px;
    background: linear-gradient(135deg, #ffffff 0%, #a0a0ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Subtítulo */
.subtitle {
    color: #b3b3b3;
    font-size: 0.95rem;
    margin-bottom: 30px;
}

/* Alert base */
.alert {
    padding: 15px 20px;
    border-radius: 12px;
    margin-bottom: 25px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.9rem;
    animation: shake 0.5s ease;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-10px); }
    75% { transform: translateX(10px); }
}

/* Alert de error */
.alert-error {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

/* Grupo de formulario */
.form-group {
    margin-bottom: 24px;
}

/* Labels */
label {
    display: block;
    color: #ffffff;
    font-weight: 600;
    margin-bottom: 10px;
    font-size: 0.9rem;
}

/* Wrapper del input (para posicionar íconos) */
.input-wrapper {
    position: relative;
}

/* Ícono dentro del input */
.input-icon {
    position: absolute;
    left: 18px;
    top: 50%;
    transform: translateY(-50%);
    color: #6366f1;
    font-size: 1.1rem;
}

/* Inputs de texto y contraseña */
input[type="text"],
input[type="password"] {
    width: 100%;
    padding: 16px 18px 16px 50px;
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    font-size: 1rem;
    transition: all 0.3s ease;
    font-family: 'Inter', sans-serif;
    color: #ffffff;
}

/* Placeholder */
input::placeholder {
    color: #6b7280;
}

/* Input en focus */
input:focus {
    outline: none;
    border-color: #6366f1;
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

/* Botón para mostrar/ocultar contraseña */
.password-toggle {
    position: absolute;
    right: 18px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: #6b7280;
    cursor: pointer;
    padding: 5px;
    transition: color 0.2s;
}

.password-toggle:hover {
    color: #6366f1;
}

/* Botón de login */
.btn-login {
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg, #6366f1, #ec4899);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
    margin-top: 10px;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.6);
}

.btn-login:active {
    transform: translateY(0);
}

.btn-login i {
    margin-right: 8px;
}

/* Link para volver */
.back-link {
    display: block;
    text-align: center;
    margin-top: 25px;
    color: #6366f1;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.back-link:hover {
    color: #ec4899;
}

.back-link i {
    margin-right: 5px;
}

/* Caja de información */
.info-box {
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: 12px;
    padding: 15px;
    margin-top: 25px;
    color: #b3b3b3;
    font-size: 0.85rem;
    text-align: center;
}

.info-box i {
    color: #6366f1;
    margin-right: 5px;
}

/* === RESPONSIVE === */

/* Extra Small devices (móviles pequeños < 400px) */
@media (max-width: 400px) {
    body {
        padding: 10px;
    }
    
    .login-container {
        padding: 30px 20px;
        border-radius: 16px;
    }
    
    .logo-icon {
        width: 60px;
        height: 60px;
        border-radius: 15px;
        margin-bottom: 15px;
    }
    
    .logo-icon i {
        font-size: 2rem;
    }
    
    h1 {
        font-size: 1.3rem;
        margin-bottom: 8px;
    }
    
    .subtitle {
        font-size: 0.85rem;
        margin-bottom: 25px;
    }
    
    .alert {
        padding: 12px 15px;
        font-size: 0.85rem;
        gap: 10px;
        margin-bottom: 20px;
    }
    
    .form-group {
        margin-bottom: 20px;
    }
    
    label {
        font-size: 0.85rem;
        margin-bottom: 8px;
    }
    
    .input-icon {
        left: 15px;
        font-size: 1rem;
    }
    
    input[type="text"],
    input[type="password"] {
        padding: 14px 15px 14px 45px;
        font-size: 0.95rem;
        border-radius: 10px;
    }
    
    .password-toggle {
        right: 15px;
        padding: 3px;
    }
    
    .btn-login {
        padding: 14px;
        font-size: 0.95rem;
        border-radius: 10px;
    }
    
    .back-link {
        margin-top: 20px;
        font-size: 0.9rem;
    }
    
    .info-box {
        padding: 12px;
        margin-top: 20px;
        font-size: 0.8rem;
    }
}

/* Small devices (móviles 401px - 600px) */
@media (min-width: 401px) and (max-width: 600px) {
    body {
        padding: 15px;
    }
    
    .login-container {
        padding: 40px 25px;
        border-radius: 20px;
    }
    
    .logo-icon {
        width: 70px;
        height: 70px;
        border-radius: 18px;
    }
    
    .logo-icon i {
        font-size: 2.2rem;
    }
    
    h1 {
        font-size: 1.5rem;
    }
    
    .subtitle {
        font-size: 0.9rem;
    }
    
    input[type="text"],
    input[type="password"] {
        padding: 15px 16px 15px 48px;
    }
    
    .btn-login {
        padding: 15px;
    }
}

/* Medium tablets (601px - 768px) */
@media (min-width: 601px) and (max-width: 768px) {
    .login-container {
        max-width: 480px;
        padding: 45px 35px;
    }
    
    h1 {
        font-size: 1.6rem;
    }
}

/* Landscape mode en móviles pequeños */
@media (max-width: 768px) and (orientation: landscape) {
    body {
        padding: 10px;
        align-items: flex-start;
        padding-top: 20px;
    }
    
    .login-container {
        padding: 30px;
        margin: 10px auto;
    }
    
    .logo-container {
        margin-bottom: 25px;
    }
    
    .logo-icon {
        width: 60px;
        height: 60px;
        margin-bottom: 12px;
    }
    
    .logo-icon i {
        font-size: 2rem;
    }
    
    h1 {
        font-size: 1.4rem;
        margin-bottom: 6px;
    }
    
    .subtitle {
        font-size: 0.85rem;
        margin-bottom: 20px;
    }
    
    .form-group {
        margin-bottom: 18px;
    }
    
    .alert {
        padding: 12px 16px;
        margin-bottom: 18px;
    }
    
    input[type="text"],
    input[type="password"] {
        padding: 12px 14px 12px 45px;
    }
    
    .btn-login {
        padding: 12px;
        margin-top: 8px;
    }
    
    .info-box {
        padding: 12px;
        margin-top: 18px;
    }
}

/* Tablets en modo vertical */
@media (min-width: 769px) and (max-width: 1024px) {
    .login-container {
        max-width: 500px;
        padding: 55px 45px;
    }
    
    h1 {
        font-size: 1.9rem;
    }
}

/* Touch devices - mejorar áreas de toque */
@media (hover: none) and (pointer: coarse) {
    input[type="text"],
    input[type="password"] {
        min-height: 50px;
    }
    
    .btn-login {
        min-height: 50px;
    }
    
    .password-toggle {
        min-width: 44px;
        min-height: 44px;
    }
    
    .back-link {
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
}

/* Accesibilidad - reducción de movimiento */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    body::before {
        animation: none;
    }
    
    .logo-icon {
        animation: none;
    }
}