/**
 * Institute Management Portal - Public Styles
 * Version: 1.0.0
 */

/* CSS Variables */
:root {
    --imp-primary: #4f46e5;
    --imp-primary-dark: #4338ca;
    --imp-primary-light: #818cf8;
    --imp-secondary: #06b6d4;
    --imp-success: #10b981;
    --imp-warning: #f59e0b;
    --imp-danger: #ef4444;
    --imp-info: #3b82f6;
    --imp-dark: #1f2937;
    --imp-gray: #6b7280;
    --imp-light: #f3f4f6;
    --imp-white: #ffffff;
    --imp-border: #e5e7eb;
    --imp-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    --imp-shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
    --imp-radius: 8px;
    --imp-radius-lg: 12px;
    --imp-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --imp-transition: all 0.3s ease;
}

/* Reset */
.imp-container * {
    box-sizing: border-box;
}

/* Base Container */
.imp-container {
    font-family: var(--imp-font);
    line-height: 1.6;
    color: var(--imp-dark);
}

/* Login Page Styles */
.imp-login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--imp-primary) 0%, var(--imp-secondary) 100%);
    padding: 20px;
}

.imp-login-container {
    width: 100%;
    max-width: 420px;
    background: var(--imp-white);
    border-radius: var(--imp-radius-lg);
    box-shadow: var(--imp-shadow-lg);
    overflow: hidden;
}

.imp-login-header {
    background: var(--imp-primary);
    color: var(--imp-white);
    padding: 30px;
    text-align: center;
}

.imp-login-header h1 {
    margin: 0 0 8px 0;
    font-size: 24px;
    font-weight: 700;
}

.imp-login-header p {
    margin: 0;
    opacity: 0.9;
    font-size: 14px;
}

.imp-login-logo {
    width: 80px;
    height: 80px;
    background: var(--imp-white);
    border-radius: 50%;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    color: var(--imp-primary);
}

.imp-login-form {
    padding: 30px;
}

.imp-form-group {
    margin-bottom: 20px;
}

.imp-form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--imp-dark);
    font-size: 14px;
}

.imp-form-group input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--imp-border);
    border-radius: var(--imp-radius);
    font-size: 15px;
    transition: var(--imp-transition);
    font-family: var(--imp-font);
}

.imp-form-group input:focus {
    outline: none;
    border-color: var(--imp-primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.imp-form-group input::placeholder {
    color: var(--imp-gray);
}

.imp-login-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    font-size: 14px;
}

.imp-remember-me {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.imp-remember-me input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--imp-primary);
}

.imp-forgot-password {
    color: var(--imp-primary);
    text-decoration: none;
    font-weight: 500;
}

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

.imp-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: var(--imp-radius);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--imp-transition);
    font-family: var(--imp-font);
    text-decoration: none;
}

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

.imp-btn-primary:hover {
    background: var(--imp-primary-dark);
    transform: translateY(-1px);
}

.imp-btn-secondary {
    background: var(--imp-light);
    color: var(--imp-dark);
}

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

.imp-btn-success {
    background: var(--imp-success);
    color: var(--imp-white);
}

.imp-btn-success:hover {
    background: #059669;
}

.imp-btn-danger {
    background: var(--imp-danger);
    color: var(--imp-white);
}

.imp-btn-danger:hover {
    background: #dc2626;
}

.imp-btn-full {
    width: 100%;
}

.imp-btn-lg {
    padding: 14px 28px;
    font-size: 16px;
}

.imp-btn-sm {
    padding: 8px 16px;
    font-size: 13px;
}

/* Alert Messages */
.imp-alert {
    padding: 14px 18px;
    border-radius: var(--imp-radius);
    margin-bottom: 20px;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.imp-alert-success {
    background: #d1fae5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.imp-alert-error {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fca5a5;
}

.imp-alert-warning {
    background: #fef3c7;
    color: #92400e;
    border: 1px solid #fcd34d;
}

.imp-alert-info {
    background: #dbeafe;
    color: #1e40af;
    border: 1px solid #93c5fd;
}

/* Cards */
.imp-card {
    background: var(--imp-white);
    border-radius: var(--imp-radius-lg);
    box-shadow: var(--imp-shadow);
    overflow: hidden;
}

.imp-card-header {
    padding: 20px;
    border-bottom: 1px solid var(--imp-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.imp-card-header h3 {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
}

.imp-card-body {
    padding: 20px;
}

.imp-card-footer {
    padding: 15px 20px;
    border-top: 1px solid var(--imp-border);
    background: var(--imp-light);
}

/* Tables */
.imp-table {
    width: 100%;
    border-collapse: collapse;
}

.imp-table th,
.imp-table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--imp-border);
}

.imp-table th {
    background: var(--imp-light);
    font-weight: 600;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--imp-gray);
}

.imp-table tr:hover td {
    background: #f9fafb;
}

/* Badges */
.imp-badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}

.imp-badge-primary {
    background: rgba(79, 70, 229, 0.1);
    color: var(--imp-primary);
}

.imp-badge-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--imp-success);
}

.imp-badge-warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--imp-warning);
}

.imp-badge-danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--imp-danger);
}

/* Form Elements */
.imp-form-control {
    width: 100%;
    padding: 10px 14px;
    border: 2px solid var(--imp-border);
    border-radius: var(--imp-radius);
    font-size: 14px;
    transition: var(--imp-transition);
    font-family: var(--imp-font);
}

.imp-form-control:focus {
    outline: none;
    border-color: var(--imp-primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.imp-form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 10px center;
    background-repeat: no-repeat;
    background-size: 20px;
    padding-right: 40px;
}

textarea.imp-form-control {
    min-height: 120px;
    resize: vertical;
}

/* Loading Spinner */
.imp-loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--imp-light);
    border-radius: 50%;
    border-top-color: var(--imp-primary);
    animation: imp-spin 0.8s linear infinite;
}

@keyframes imp-spin {
    to {
        transform: rotate(360deg);
    }
}

/* Overlay */
.imp-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: var(--imp-transition);
}

.imp-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Modal */
.imp-modal {
    background: var(--imp-white);
    border-radius: var(--imp-radius-lg);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow: auto;
    box-shadow: var(--imp-shadow-lg);
    transform: scale(0.9);
    transition: var(--imp-transition);
}

.imp-overlay.active .imp-modal {
    transform: scale(1);
}

.imp-modal-header {
    padding: 20px;
    border-bottom: 1px solid var(--imp-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.imp-modal-header h3 {
    margin: 0;
    font-size: 18px;
}

.imp-modal-close {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--imp-gray);
    padding: 0;
    line-height: 1;
}

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

.imp-modal-body {
    padding: 20px;
}

.imp-modal-footer {
    padding: 15px 20px;
    border-top: 1px solid var(--imp-border);
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

/* Responsive */
@media (max-width: 768px) {
    .imp-login-container {
        max-width: 100%;
    }
    
    .imp-login-header {
        padding: 20px;
    }
    
    .imp-login-form {
        padding: 20px;
    }
    
    .imp-login-options {
        flex-direction: column;
        gap: 10px;
        align-items: flex-start;
    }
}