/* =====================================================
   ISPM Campus Virtual - Login Styles
   ===================================================== */

/* Variables CSS */
:root {
    --primary-color: #540202;
    --primary-dark: #2C0101;
    --primary-light: #8B0000;
    --secondary-color: #FFFFFF;
    --accent-color: #D4A5A5;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
    
    --text-primary: #333333;
    --text-secondary: #666666;
    --text-light: #999999;
    --text-white: #ffffff;
    
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-dark: #1a1a1a;
    --bg-overlay: rgba(84, 2, 2, 0.95);
    
    --border-color: #e0e0e0;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 8px rgba(0,0,0,0.15);
    --shadow-lg: 0 8px 16px rgba(0,0,0,0.2);
    --shadow-xl: 0 12px 24px rgba(0,0,0,0.25);
    
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    --border-radius: 8px;
    --border-radius-lg: 12px;
    --border-radius-xl: 16px;
    
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Playfair Display', serif;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    color: var(--text-primary);
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Login Container */
.login-container {
    display: flex;
    min-height: 100vh;
    position: relative;
}

/* Left Side - Branding */
.login-left {
    flex: 1;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--text-white);
    padding: 3rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.login-left::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../images/campus-pattern.png') repeat;
    opacity: 0.1;
    pointer-events: none;
}

.login-brand {
    text-align: center;
    margin-bottom: 3rem;
    z-index: 1;
}

.login-logo {
    width: 120px;
    height: auto;
    margin-bottom: 1.5rem;
    filter: brightness(0) invert(1);
}

.login-brand h1 {
    font-family: var(--font-display);
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.login-brand h2 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    opacity: 0.9;
    font-weight: 400;
}

.login-brand p {
    font-size: 1.1rem;
    opacity: 0.8;
    line-height: 1.6;
    max-width: 400px;
}

.login-features {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    z-index: 1;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1rem;
    opacity: 0.9;
}

.feature-item i {
    font-size: 1.5rem;
    color: var(--accent-color);
    width: 30px;
    text-align: center;
}

/* Right Side - Form */
.login-right {
    flex: 1;
    background: linear-gradient(to bottom, var(--bg-secondary), var(--bg-primary));
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    position: relative;
}

/* Form Container */
.form-container {
    animation: fadeInUp 0.5s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-form-container {
    width: 100%;
    max-width: 450px;
    background: var(--bg-primary);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-lg);
    padding: 2rem;
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-header h3 {
    font-family: var(--font-display);
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.login-header p {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.5;
}

/* Form Styles */
.login-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.input-group {
    position: relative;
    display: flex;
    align-items: center;
}

.input-group input {
    width: 100%;
    padding: 12px 16px 12px 45px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition-fast);
    background: var(--bg-primary);
}

/* Ajuste especial para el input de contraseña con botón */
.input-group input[type="password"],
.input-group input[type="text"]#password {
    padding-right: 48px; /* Espacio para el botón del ojo */
}

.input-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(84, 2, 2, 0.1);
}

.input-group > i {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-light);
    z-index: 1;
    font-size: 1rem;
    pointer-events: none;
}

.input-group input:focus ~ i,
.input-group input:focus ~ .toggle-password {
    color: var(--primary-color);
}

.toggle-password {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: transparent;
    border: none;
    color: var(--text-light);
    cursor: pointer;
    padding: 8px;
    transition: var(--transition-fast);
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 4px;
}

.toggle-password:hover {
    color: var(--primary-color);
    background: rgba(84, 2, 2, 0.05);
}

.toggle-password:focus {
    outline: none;
    box-shadow: 0 0 0 2px rgba(84, 2, 2, 0.2);
}

.error-message {
    color: var(--danger-color);
    font-size: 0.875rem;
    margin-top: 0.25rem;
    display: none;
}

.error-message.show {
    display: block;
}

/* Form Options */
.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 0.5rem 0;
}

.checkbox-container {
    display: flex;
    align-items: center;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.checkbox-container input {
    margin-right: 0.5rem;
    accent-color: var(--primary-color);
}

.forgot-password {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition-fast);
}

.forgot-password:hover {
    text-decoration: underline;
}

/* Login Button */
.login-btn {
    width: 100%;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    color: var(--text-white);
    border: none;
    padding: 14px;
    border-radius: var(--border-radius);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
    margin-top: 1rem;
}

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.login-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.loading-spinner {
    display: none;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.login-btn.loading .btn-text {
    opacity: 0;
}

.login-btn.loading .loading-spinner {
    display: block;
}

/* Form Messages */
.form-message {
    padding: 12px;
    border-radius: var(--border-radius);
    font-size: 0.9rem;
    text-align: center;
    margin-top: 1rem;
    display: none;
}

.form-message.success {
    background: rgba(40, 167, 69, 0.1);
    color: var(--success-color);
    border: 1px solid rgba(40, 167, 69, 0.2);
    display: block;
}

.form-message.error {
    background: rgba(220, 53, 69, 0.1);
    color: var(--danger-color);
    border: 1px solid rgba(220, 53, 69, 0.2);
    display: block;
}

/* Single Header - Sin tabs */
.login-single-header {
    text-align: center;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: linear-gradient(135deg, rgba(84, 2, 2, 0.05) 0%, rgba(84, 2, 2, 0.02) 100%);
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(84, 2, 2, 0.1);
}

.login-single-header i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.login-single-header h2 {
    font-family: var(--font-display);
    font-size: 1.8rem;
    color: var(--primary-color);
    font-weight: 700;
    margin-top: 0.5rem;
}

/* Login Footer */
.login-footer {
    text-align: center;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.login-footer p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.login-footer a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-fast);
}

.login-footer a:hover {
    text-decoration: underline;
}

.login-help {
    text-align: center;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.login-help a {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
    text-decoration: none;
    transition: var(--transition-fast);
}

.login-help a:hover {
    color: var(--primary-color);
    transform: translateX(-4px);
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 1000;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(4px);
}

.modal.show {
    display: flex;
}

.modal-content {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    font-family: var(--font-display);
    color: var(--primary-color);
    font-size: 1.5rem;
}

.close-modal {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-light);
    cursor: pointer;
    transition: var(--transition-fast);
}

.close-modal:hover {
    color: var(--danger-color);
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
}

.btn-primary, .btn-secondary {
    padding: 10px 20px;
    border: none;
    border-radius: var(--border-radius);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
}

.btn-primary {
    background: var(--primary-color);
    color: var(--text-white);
}

.btn-primary:hover {
    background: var(--primary-dark);
}

.btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-secondary);
}

.btn-secondary:hover {
    background: var(--border-color);
}

/* Responsive Design */
@media (max-width: 768px) {
    .login-container {
        flex-direction: column;
    }

    .login-left {
        padding: 2rem 1rem;
        min-height: 40vh;
    }

    .login-brand h1 {
        font-size: 2rem;
    }

    .login-features {
        display: none;
    }

    .login-right {
        padding: 2rem 1rem;
    }

    .login-form-container {
        padding: 1.5rem;
        box-shadow: var(--shadow-md);
    }

    .login-single-header {
        padding: 1rem;
    }

    .login-single-header h2 {
        font-size: 1.5rem;
    }

    .login-single-header i {
        font-size: 2rem;
    }

    .form-options {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }

    .modal-content {
        margin: 1rem;
        width: calc(100% - 2rem);
    }
}

@media (max-width: 480px) {
    .login-left {
        padding: 1.5rem;
        min-height: 30vh;
    }
    
    .login-brand h1 {
        font-size: 1.75rem;
    }
    
    .login-brand h2 {
        font-size: 1.125rem;
    }
    
    .login-right {
        padding: 1.5rem;
    }
    
    .input-group input {
        padding: 10px 12px 10px 40px;
    }
    
    .login-btn {
        padding: 12px;
        font-size: 1rem;
    }
}