/* Medhya Frontend Styles */

:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --success-color: #10b981;
    --error-color: #ef4444;
    --warning-color: #f59e0b;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --bg-light: #f9fafb;
    --border-color: #e5e7eb;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-light);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    background-color: white;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    padding: 1rem 0;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
    text-decoration: none;
}

.nav {
    display: flex;
    gap: 2rem;
}

.nav a {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.nav a:hover {
    color: var(--primary-color);
}

/* Main Content */
.main {
    padding: 3rem 0;
}

.hero {
    text-align: center;
    padding: 3rem 0;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 2rem;
}

/* Cards */
.card {
    background: white;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    padding: 2rem;
    margin-bottom: 2rem;
}

.card h2 {
    margin-bottom: 1rem;
    color: var(--text-dark);
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

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

.form-input {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 1rem;
    transition: border-color 0.2s;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-help {
    display: block;
    margin-top: 0.25rem;
    font-size: 0.875rem;
    color: var(--text-light);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
    text-decoration: none;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
}

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

.btn-primary:hover:not(:disabled) {
    background-color: var(--primary-hover);
}

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

/* Alerts */
.alert {
    padding: 1rem;
    border-radius: 6px;
    margin-bottom: 1rem;
}

.alert-success {
    background-color: #d1fae5;
    color: #065f46;
    border: 1px solid #10b981;
}

.alert-error {
    background-color: #fee2e2;
    color: #991b1b;
    border: 1px solid #ef4444;
}

.alert-info {
    background-color: #dbeafe;
    color: #1e40af;
    border: 1px solid #2563eb;
}

.alert-warning {
    background-color: #fef3c7;
    color: #92400e;
    border: 1px solid #f59e0b;
}

/* Loading Spinner */
.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 0.6s linear infinite;
    margin-right: 0.5rem;
}

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

/* Hidden */
.hidden {
    display: none;
}

/* Steps */
.steps {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 2rem;
    padding: 0;
    list-style: none;
    position: relative;
}

.step {
    flex: 1;
    text-align: center;
    position: relative;
    z-index: 1;
}

.step::after {
    content: '';
    position: absolute;
    top: 16px;
    left: 50%;
    width: 100%;
    height: 2px;
    background-color: var(--border-color);
    z-index: -1;
}

.step:last-child::after {
    display: none;
}

.step.completed::after {
    background-color: var(--success-color);
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background-color: white;
    border: 2px solid var(--border-color);
    color: var(--text-light);
    font-weight: bold;
    margin-bottom: 0.5rem;
    position: relative;
    font-size: 1rem;
}

.step.active .step-number {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.step.completed .step-number {
    background-color: var(--success-color);
    border-color: var(--success-color);
    color: white;
}

.step-label {
    display: block;
    font-size: 0.875rem;
    color: var(--text-light);
}

.step.active .step-label {
    color: var(--primary-color);
    font-weight: 600;
}

/* Profile Display */
.profile-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.profile-item {
    padding: 1rem;
    background-color: var(--bg-light);
    border-radius: 6px;
}

.profile-label {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-bottom: 0.25rem;
}

.profile-value {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-dark);
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }

    .steps {
        flex-direction: column;
        gap: 1rem;
    }

    .step::before {
        display: none;
    }

    .nav {
        flex-direction: column;
        gap: 1rem;
    }
}

/* ========================================
   Skeleton Loaders
   ======================================== */
.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e8e8e8 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: skeleton-shimmer 1.5s ease-in-out infinite;
    border-radius: 4px;
}

@keyframes skeleton-shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Skeleton variants */
.skeleton-text {
    height: 1rem;
    margin-bottom: 0.5rem;
    border-radius: 4px;
}

.skeleton-text-sm {
    height: 0.75rem;
    margin-bottom: 0.375rem;
}

.skeleton-title {
    height: 1.5rem;
    width: 60%;
    margin-bottom: 1rem;
}

.skeleton-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    flex-shrink: 0;
}

.skeleton-avatar-lg {
    width: 64px;
    height: 64px;
}

.skeleton-card {
    height: 120px;
    border-radius: 12px;
}

.skeleton-button {
    height: 40px;
    width: 100px;
    border-radius: 8px;
}

.skeleton-input {
    height: 42px;
    border-radius: 6px;
}

.skeleton-stat {
    height: 2.5rem;
    width: 80px;
    margin-bottom: 0.25rem;
}

/* ========================================
   Button Variants
   ======================================== */
.btn-secondary {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-secondary:hover:not(:disabled) {
    background-color: var(--primary-color);
    color: white;
}

.btn-secondary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-tertiary {
    background-color: transparent;
    color: var(--primary-color);
    border: none;
    padding: 0.5rem 1rem;
}

.btn-tertiary:hover:not(:disabled) {
    background-color: rgba(37, 99, 235, 0.1);
}

.btn-tertiary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

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

.btn-danger:hover:not(:disabled) {
    background-color: #dc2626;
}

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

.btn-success:hover:not(:disabled) {
    background-color: #059669;
}

/* Button with loading spinner */
.btn-loading {
    position: relative;
    color: transparent !important;
    pointer-events: none;
}

.btn-loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 0.6s linear infinite;
}

.btn-secondary.btn-loading::after,
.btn-tertiary.btn-loading::after {
    border-color: rgba(37, 99, 235, 0.3);
    border-top-color: var(--primary-color);
}

/* Button hover lift effect */
.btn-lift:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* ========================================
   Form Validation States
   ======================================== */
.form-input.is-valid {
    border-color: var(--success-color);
    padding-right: 2.5rem;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2310b981'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M5 13l4 4L19 7'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 1.25rem;
}

.form-input.is-invalid {
    border-color: var(--error-color);
    padding-right: 2.5rem;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%23ef4444'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M6 18L18 6M6 6l12 12'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 1.25rem;
}

.form-input.is-invalid:focus {
    border-color: var(--error-color);
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.form-input.is-valid:focus {
    border-color: var(--success-color);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

.form-error {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    margin-top: 0.375rem;
    font-size: 0.875rem;
    color: var(--error-color);
    animation: slideDown 0.2s ease-out;
}

.form-success {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    margin-top: 0.375rem;
    font-size: 0.875rem;
    color: var(--success-color);
    animation: slideDown 0.2s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-4px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Shake animation for form errors */
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-4px); }
    20%, 40%, 60%, 80% { transform: translateX(4px); }
}

.shake {
    animation: shake 0.5s ease-in-out;
}

/* ========================================
   Empty States
   ======================================== */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem 2rem;
    text-align: center;
}

.empty-state-icon {
    width: 80px;
    height: 80px;
    margin-bottom: 1.5rem;
    color: #9ca3af;
}

.empty-state-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.empty-state-description {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-bottom: 1.5rem;
    max-width: 300px;
}

.empty-state-action {
    margin-top: 0.5rem;
}

/* ========================================
   Card Enhancements
   ======================================== */
.card-hover:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
    transition: all 0.2s ease;
}

.card-interactive {
    cursor: pointer;
    transition: all 0.2s ease;
}

.card-interactive:hover {
    border-color: #14b8a6;
    box-shadow: 0 4px 12px rgba(20, 184, 166, 0.15);
}

/* ========================================
   Loading Overlay
   ======================================== */
.loading-overlay {
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    border-radius: inherit;
}

.loading-overlay .spinner {
    width: 32px;
    height: 32px;
    border-color: rgba(20, 184, 166, 0.2);
    border-top-color: #14b8a6;
}

/* ========================================
   Fade Transitions
   ======================================== */
.fade-in {
    animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.fade-up {
    animation: fadeUp 0.3s ease-out;
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}