/* ========================================
   AUTH.CSS - Login & Authentication Pages
   ======================================== */

/* ========================================
   LOGIN PAGE LAYOUT
   ======================================== */

.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    position: relative;
    overflow: hidden;
    
    background: linear-gradient(135deg, rgba(95, 112, 109, 0.5) 0%, rgba(35, 35, 35, 0.5) 100%),
                url('/static/img/fondo_login1.png') center/cover no-repeat;
}

/* Efecto de partículas animadas de fondo (opcional) */
.login-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 20% 30%, rgba(127, 217, 68, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(28, 194, 148, 0.1) 0%, transparent 50%);
    animation: pulse 8s ease-in-out infinite;
    pointer-events: none;
}

@keyframes pulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 0.8; }
}

/* ========================================
   LOGIN CARD (Glassmorphism Effect)
   ======================================== */

.login-card {
    width: 100%;
    max-width: 420px;
    padding: 50px 40px;
    border-radius: 20px;
    position: relative;
    z-index: 1;
    
    /* Glassmorphism effect */
    background: rgba(12, 33, 25, 0.75);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);

    /* Borde sutil */
    border: 1px solid var(--color-border);

    /* Sombra profunda */
    box-shadow: var(--shadow-panel);
    
    /* Animación de entrada */
    animation: slideUp 0.6s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========================================
   LOGO CONTAINER
   ======================================== */

.logo-container {
    text-align: center;
    margin-bottom: 30px;
}

.logo-img {
    width: 140px;
    height: auto;
    margin-bottom: 20px;
    filter: drop-shadow(0 4px 12px rgba(28, 194, 148, 0.3));
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.app-name {
    font-family: var(--font-family-display);
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-green);
    text-shadow: 0 2px 10px rgba(28, 194, 148, 0.4);
    margin: 0;
    letter-spacing: 2px;
}

.welcome-text {
    color: var(--color-light);
    font-size: var(--font-size-sm);
    margin-top: 10px;
    margin-bottom: 30px;
    text-align: center;
    opacity: 0.9;
}

/* ========================================
   FORM INPUTS
   ======================================== */

.form-label {
    color: var(--color-light);
    font-size: var(--font-size-sm);
    font-weight: 500;
    margin-bottom: 8px;
    display: block;
}

.form-label i {
    color: var(--color-green);
    margin-right: 8px;
}

.form-control {
    width: 100%;
    padding: 14px 18px;
    border-radius: 12px;
    border: 1px solid rgba(28, 194, 148, 0.3);
    font-size: var(--font-size-base);
    transition: all 0.3s ease;
    
    /* Glassmorphism en inputs */
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    
    color: var(--color-light);
}

.form-control::placeholder {
    color: rgba(243, 242, 242, 0.5);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-green);
    background: rgba(255, 255, 255, 0.12);
    box-shadow:
        0 0 0 3px rgba(28, 194, 148, 0.1),
        0 4px 12px rgba(28, 194, 148, 0.2);
}

.form-control:hover {
    border-color: rgba(28, 194, 148, 0.5);
    background: rgba(255, 255, 255, 0.1);
}

/* ========================================
   LOGIN BUTTON
   ======================================== */

.btn-login {
    width: 100%;
    padding: 16px;
    border: none;
    border-radius: 12px;
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 25px;
    
    /* Fondo sólido plano */
    background: var(--color-green);
    color: var(--color-dark);
    
    /* Sombra */
    box-shadow: 0 4px 15px rgba(28, 194, 148, 0.3);
    
    /* Uppercase para énfasis */
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(28, 194, 148, 0.4);
    background: var(--color-accent);
}

.btn-login:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(28, 194, 148, 0.3);
}

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

/* ========================================
   ALERT MESSAGES
   ======================================== */

.alert {
    padding: 12px 18px;
    border-radius: 10px;
    margin-bottom: 20px;
    font-size: var(--font-size-sm);
    display: flex;
    align-items: center;
    gap: 10px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.alert i {
    font-size: 1.2rem;
}

.alert-danger {
    background: var(--result-loss-bg);
    color: var(--result-loss-fg);
}

.alert-success {
    background: var(--result-win-bg);
    color: var(--result-win-fg);
}

.alert-info {
    background: var(--result-info-bg);
    color: var(--result-info-fg);
}

/* ========================================
   FOOTER LINKS (Optional)
   ======================================== */

.login-footer {
    text-align: center;
    margin-top: 25px;
    padding-top: 20px;
    border-top: 1px solid rgba(28, 194, 148, 0.2);
}

.login-footer a {
    color: var(--color-green);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: color 0.3s ease;
}

.login-footer a:hover {
    color: var(--color-accent);
    text-decoration: underline;
}

/* ========================================
   PASSWORD MANAGEMENT
   ======================================== */

.auth-card-title {
    color: var(--color-light);
    font-family: var(--font-family-display);
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: 12px;
    text-align: center;
}

.auth-card-title i {
    color: var(--color-green);
    margin-right: 8px;
}

.auth-card-copy {
    color: var(--color-ink-2);
    font-size: var(--font-size-sm);
    margin-bottom: 24px;
    text-align: center;
}

.auth-card-copy p:last-child {
    margin-bottom: 0;
}

.auth-form {
    display: grid;
    gap: 18px;
}

.auth-form .btn-login,
.auth-actions .btn-login {
    margin-top: 4px;
}

.auth-form-errors,
.auth-field-errors {
    background: var(--result-loss-bg);
    border: 1px solid var(--result-loss-fg);
    border-radius: var(--radius-md);
    color: var(--result-loss-fg);
    font-size: var(--font-size-sm);
}

.auth-form-errors {
    padding: 12px 14px;
}

.auth-form-errors p:last-child {
    margin-bottom: 0;
}

.auth-field-errors {
    list-style-position: inside;
    margin: 10px 0 0;
    padding: 10px 12px;
}

.auth-help-text {
    color: var(--color-ink-2);
    font-size: var(--font-size-xs);
    margin-top: 10px;
}

.auth-help-text ul {
    margin: 0;
    padding-left: 18px;
}

.auth-actions {
    display: grid;
}

.auth-button-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
}

.auth-button-link:hover {
    color: var(--color-dark);
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

@media (max-width: 480px) {
    .login-card {
        padding: 40px 30px;
        max-width: 100%;
    }
    
    .logo-img {
        width: 100px;
    }
    
    .app-name {
        font-size: 1.5rem;
    }
    
    .welcome-text {
        font-size: 0.8rem;
    }
    
    .btn-login {
        padding: 14px;
        font-size: 0.9rem;
    }
}

@media (max-width: 360px) {
    .login-container {
        padding: 15px;
    }
    
    .login-card {
        padding: 30px 20px;
    }
}