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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    line-height: 1.6;
    color: #1f2937;
    background-color: #ffffff;
    overflow-x: hidden;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    color: #111827;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.25rem;
}

p {
    color: #6b7280;
    margin-bottom: 1rem;
}

/* Responsive Typography */
.text-responsive-xl {
    font-size: 3rem;
    line-height: 1.1;
}

@media (max-width: 768px) {
    .text-responsive-xl {
        font-size: 2.5rem;
    }
}

@media (max-width: 640px) {
    .text-responsive-xl {
        font-size: 2rem;
    }
}

/* Gradient Text */
.gradient-text {
    background: linear-gradient(to right, #2563eb, #0891b2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Links */
a {
    color: #2563eb;
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: #1d4ed8;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: 0.5rem;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, #2563eb, #0891b2);
    color: white;
    box-shadow: 0 4px 14px 0 rgba(37, 99, 235, 0.25);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px 0 rgba(37, 99, 235, 0.35);
    color: white;
}

.btn-outline {
    background: white;
    color: #2563eb;
    border: 1px solid #e5e7eb;
}

.btn-outline:hover {
    background: #f9fafb;
    border-color: #2563eb;
    color: #2563eb;
}

.btn-ghost {
    background: transparent;
    color: #6b7280;
}

.btn-ghost:hover {
    background: #f9fafb;
    color: #374151;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.8rem;
}

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

.btn-full {
    width: 100%;
}

.btn-icon {
    width: 1rem;
    height: 1rem;
    margin-left: 0.5rem;
    transition: transform 0.3s ease;
}

.btn:hover .btn-icon {
    transform: translateX(2px);
}

/* Loading States */
.loading-spinner {
    width: 3rem;
    height: 3rem;
    border: 3px solid #e5e7eb;
    border-top: 3px solid #2563eb;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Cards */
.card {
    background: white;
    border-radius: 0.75rem;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    overflow: hidden;
}

.card:hover {
    box-shadow: 0 10px 25px 0 rgba(0, 0, 0, 0.15);
    transform: translateY(-2px);
}

.card-header {
    padding: 1.5rem;
    border-bottom: 1px solid #f3f4f6;
    display: flex;
    align-items: center;
    justify-content: between;
}

.card-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: #111827;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.card-content {
    padding: 1.5rem;
}

.card-footer {
    padding: 1rem 1.5rem;
    background: #f9fafb;
    border-top: 1px solid #f3f4f6;
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: 9999px;
    background: #e5e7eb;
    color: #374151;
}

.badge-primary {
    background: #dbeafe;
    color: #1e40af;
}

.badge-green {
    background: #d1fae5;
    color: #065f46;
}

.badge-yellow {
    background: #fef3c7;
    color: #92400e;
}

.badge-red {
    background: #fee2e2;
    color: #991b1b;
}

/* Progress Bars */
.progress-bar {
    width: 100%;
    height: 0.5rem;
    background: #e5e7eb;
    border-radius: 9999px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(to right, #2563eb, #0891b2);
    transition: width 0.3s ease;
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

@media (max-width: 640px) {
    .form-row {
        grid-template-columns: 1fr;
    }
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: #374151;
}

input, textarea, select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #d1d5db;
    border-radius: 0.5rem;
    font-size: 0.875rem;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

input:focus, textarea:focus, select:focus {
    outline: none;
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-error {
    color: #ef4444;
    font-size: 0.8rem;
    margin-top: 0.5rem;
    display: none;
}

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

/* Modals */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
}

.modal.show {
    display: flex;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background: white;
    border-radius: 0.75rem;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    animation: modalSlide 0.3s ease-out;
}

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

.modal-header {
    padding: 1.5rem;
    border-bottom: 1px solid #f3f4f6;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: #111827;
}

.modal-close {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 0.5rem;
    transition: background-color 0.3s ease;
}

.modal-close:hover {
    background: #f3f4f6;
}

.modal-close svg {
    width: 1.25rem;
    height: 1.25rem;
    stroke: #6b7280;
}

.modal-body {
    padding: 1.5rem;
}

/* Utility Classes */
.hidden {
    display: none !important;
}

.text-center {
    text-align: center;
}

.text-left {
    text-align: left;
}

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

.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 0.75rem; }
.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }
.mt-8 { margin-top: 2rem; }
.mt-12 { margin-top: 3rem; }
.mt-16 { margin-top: 4rem; }

.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }
.mb-12 { margin-bottom: 3rem; }
.mb-16 { margin-bottom: 4rem; }

.p-4 { padding: 1rem; }
.p-6 { padding: 1.5rem; }
.p-8 { padding: 2rem; }

.px-4 { padding-left: 1rem; padding-right: 1rem; }
.py-4 { padding-top: 1rem; padding-bottom: 1rem; }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }

.w-full { width: 100%; }
.h-full { height: 100%; }

.rounded { border-radius: 0.25rem; }
.rounded-lg { border-radius: 0.5rem; }
.rounded-full { border-radius: 9999px; }

.shadow { box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1); }
.shadow-lg { box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1); }

.bg-white { background-color: white; }
.bg-gray-50 { background-color: #f9fafb; }
.bg-gray-100 { background-color: #f3f4f6; }

.text-gray-600 { color: #6b7280; }
.text-gray-700 { color: #374151; }
.text-gray-900 { color: #111827; }

.opacity-50 { opacity: 0.5; }
.opacity-75 { opacity: 0.75; }

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

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

@keyframes pulseGlow {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

.animate-fade-in {
    animation: fadeIn 0.5s ease-out;
}

.animate-slide-up {
    animation: slideUp 0.5s ease-out;
}

.animate-pulse-soft {
    animation: pulseGlow 3s ease-in-out infinite;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .container {
        max-width: 960px;
    }
    
    h1 {
        font-size: 2.25rem;
    }
    
    h2 {
        font-size: 1.75rem;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    .btn {
        padding: 0.75rem 1rem;
    }
    
    .btn-lg {
        padding: 0.875rem 1.5rem;
    }
}

@media (max-width: 640px) {
    .container {
        padding: 0 0.75rem;
    }
    
    h1 {
        font-size: 1.75rem;
    }
    
    h2 {
        font-size: 1.375rem;
    }
    
    .modal-content {
        width: 95%;
        margin: 1rem;
    }
}

/* Print Styles */
@media print {
    .no-print {
        display: none !important;
    }
}