@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
    --bg-gradient: linear-gradient(135deg, #0f172a 0%, #1e1b4b 50%, #020617 100%);
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --primary-glow: rgba(99, 102, 241, 0.3);
    
    --success: #10b981;
    --success-hover: #059669;
    --success-glow: rgba(16, 185, 129, 0.2);
    
    --warning: #f59e0b;
    --warning-hover: #d97706;
    --warning-glow: rgba(245, 158, 11, 0.2);

    --danger: #ef4444;
    --danger-hover: #dc2626;
    --danger-glow: rgba(239, 68, 68, 0.2);

    --info: #06b6d4;
    
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    
    --glass-bg: rgba(30, 41, 59, 0.45);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-border-hover: rgba(255, 255, 255, 0.15);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    
    --radius-lg: 16px;
    --radius-md: 12px;
    --radius-sm: 8px;
    
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg-gradient);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    position: relative;
}

/* Background blob animations */
body::before, body::after {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    filter: blur(120px);
    z-index: -1;
    opacity: 0.4;
    pointer-events: none;
}

body::before {
    background: var(--primary);
    top: 10%;
    left: 10%;
    animation: floatBlob 12s infinite alternate;
}

body::after {
    background: var(--info);
    bottom: 15%;
    right: 10%;
    animation: floatBlob2 15s infinite alternate;
}

@keyframes floatBlob {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(50px, 30px) scale(1.1); }
}

@keyframes floatBlob2 {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(-40px, -50px) scale(0.9); }
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Outfit', sans-serif;
    font-weight: 600;
    letter-spacing: -0.02em;
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.5rem;
}

/* Glassmorphism Cards */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--glass-shadow);
    transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.glass-card:hover {
    border-color: var(--glass-border-hover);
    box-shadow: 0 12px 40px 0 rgba(0, 0, 0, 0.45);
}

/* Login Page Layout */
.login-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 2rem;
}

.login-card {
    width: 100%;
    max-width: 450px;
    text-align: center;
}

.login-logo {
    font-family: 'Outfit', sans-serif;
    font-size: 2.2rem;
    font-weight: 800;
    background: linear-gradient(to right, #818cf8, #38bdf8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
}

.login-subtitle {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 2rem;
}

.btn-google {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    width: 100%;
    background: #ffffff;
    color: #1e293b;
    border: none;
    padding: 0.85rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.btn-google:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255,255,255,0.15);
}

.btn-google svg {
    width: 20px;
    height: 20px;
}

/* Divider */
.divider {
    display: flex;
    align-items: center;
    text-align: center;
    margin: 1.5rem 0;
    color: var(--text-muted);
    font-size: 0.8rem;
}

.divider::before, .divider::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.divider:not(:empty)::before {
    margin-right: .5em;
}

.divider:not(:empty)::after {
    margin-left: .5em;
}

/* Form inputs */
.form-group {
    text-align: left;
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-input {
    width: 100%;
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    padding: 0.8rem 1rem;
    color: var(--text-main);
    font-family: inherit;
    font-size: 0.95rem;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.btn-primary {
    background: var(--primary);
    color: #ffffff;
    border: none;
    width: 100%;
    padding: 0.85rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: background-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px var(--primary-glow);
}

/* Header & Navbar */
header {
    background: rgba(15, 23, 42, 0.4);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.logo-link {
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-text {
    font-family: 'Outfit', sans-serif;
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(to right, #818cf8, #38bdf8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.nav-item {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: color var(--transition-fast);
}

.nav-item:hover, .nav-item.active {
    color: var(--text-main);
}

.btn-logout {
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #f87171;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    text-decoration: none;
    font-size: 0.85rem;
    transition: background var(--transition-fast), color var(--transition-fast);
}

.btn-logout:hover {
    background: var(--danger);
    color: #ffffff;
}

/* Dashboard Layout */
.dashboard-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1.5rem;
    margin-top: 2rem;
}

@media (max-width: 992px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
}

.section-title {
    font-size: 1.3rem;
    margin-bottom: 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* User Profile Card */
.profile-card {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.profile-avatar {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--info));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    font-weight: 700;
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.profile-info h2 {
    font-size: 1.5rem;
    margin-bottom: 0.25rem;
}

.profile-info p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Courses Grid */
.courses-list {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.course-card {
    background: rgba(30, 41, 59, 0.3);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    transition: border-color var(--transition-fast), transform var(--transition-fast);
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.course-card:hover {
    border-color: rgba(99, 102, 241, 0.3);
    transform: translateY(-2px);
}

.course-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.course-badge {
    background: rgba(99, 102, 241, 0.15);
    color: #a5b4fc;
    border: 1px solid rgba(99, 102, 241, 0.3);
    padding: 0.25rem 0.6rem;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.course-title {
    font-size: 1.15rem;
    color: #ffffff;
    margin-top: 0.5rem;
}

/* Moodle progress tracker */
.progress-container {
    margin-top: 0.5rem;
}

.progress-info {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    margin-bottom: 0.4rem;
}

.progress-bar-wrapper {
    width: 100%;
    height: 10px;
    background: rgba(15, 23, 42, 0.5);
    border-radius: 100px;
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary) 0%, var(--info) 100%);
    border-radius: 100px;
    width: 0%;
    transition: width 1s ease-out;
}

.course-actions {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    margin-top: 0.5rem;
}

.btn-sm-moodle {
    background: rgba(245, 158, 11, 0.15);
    color: #fbd38d;
    border: 1px solid rgba(245, 158, 11, 0.3);
    text-decoration: none;
    font-size: 0.85rem;
    padding: 0.4rem 0.8rem;
    border-radius: var(--radius-sm);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    transition: background var(--transition-fast), color var(--transition-fast);
}

.btn-sm-moodle:hover {
    background: var(--warning);
    color: #1e1b4b;
}

/* Advisor Card */
.advisor-card {
    background: linear-gradient(135deg, rgba(30, 41, 59, 0.6) 0%, rgba(15, 23, 42, 0.6) 100%);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    text-align: center;
}

.advisor-avatar {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--primary);
    margin: 0 auto 1rem;
    box-shadow: 0 0 15px rgba(99, 102, 241, 0.2);
}

.advisor-name {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.advisor-title {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
}

.advisor-details {
    text-align: left;
    margin-bottom: 1.25rem;
    font-size: 0.85rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.advisor-detail-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-muted);
}

.advisor-detail-item strong {
    color: var(--text-main);
}

.btn-whatsapp {
    background: #25d366;
    color: #ffffff;
    border: none;
    border-radius: var(--radius-md);
    width: 100%;
    padding: 0.75rem;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.btn-whatsapp:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
}

/* Payments Page Styles */
.payment-summary-box {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.kpi-small-card {
    background: rgba(30, 41, 59, 0.3);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.kpi-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.kpi-value {
    font-size: 1.5rem;
    font-weight: 700;
}

/* Payment installments list */
.installments-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.installment-item {
    background: rgba(30, 41, 59, 0.2);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: border-color var(--transition-fast);
}

.installment-item:hover {
    border-color: rgba(255, 255, 255, 0.12);
}

.installment-info h4 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
}

.installment-info p {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.installment-amount {
    text-align: right;
}

.amount-value {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.status-badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
}

.status-pending {
    background: rgba(245, 158, 11, 0.15);
    color: #fbbf24;
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.status-paid {
    background: rgba(16, 185, 129, 0.15);
    color: #34d399;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.status-validation {
    background: rgba(6, 182, 212, 0.15);
    color: #22d3ee;
    border: 1px solid rgba(6, 182, 212, 0.3);
}

.status-rejected {
    background: rgba(239, 68, 68, 0.15);
    color: #f87171;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

/* Upload Form Styling */
.upload-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.file-dropzone {
    border: 2px dashed rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-md);
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    background: rgba(15, 23, 42, 0.3);
    transition: border-color var(--transition-fast), background var(--transition-fast);
    position: relative;
}

.file-dropzone:hover {
    border-color: var(--primary);
    background: rgba(99, 102, 241, 0.05);
}

.file-dropzone input[type="file"] {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

.dropzone-icon {
    font-size: 2rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.dropzone-text {
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.dropzone-subtext {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.file-selected-info {
    margin-top: 0.5rem;
    font-size: 0.85rem;
    color: var(--success);
    font-weight: 600;
    display: none;
}

/* Notifications / Alerts */
.alert {
    padding: 1rem;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    border: 1px solid transparent;
}

.alert-success {
    background: rgba(16, 185, 129, 0.15);
    color: #a7f3d0;
    border-color: rgba(16, 185, 129, 0.3);
}

.alert-danger {
    background: rgba(239, 68, 68, 0.15);
    color: #fca5a5;
    border-color: rgba(239, 68, 68, 0.3);
}

/* Footer styling */
footer {
    margin-top: auto;
    padding: 2rem 1.5rem;
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-muted);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    background: rgba(15, 23, 42, 0.2);
}

/* Grid helper for forms */
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

@media (max-width: 576px) {
    .form-grid {
        grid-template-columns: 1fr;
    }
}