/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #000000;
    --primary-hover: #000000;
    --text-primary: #111827;
    --text-secondary: #6b7280;
    --text-muted: #9ca3af;
    --border-color: #e5e7eb;
    --form-border-color: #000000;
    --border-focus: #616161;
    --background-primary: #ffffff;
    --background-secondary: #f9fafb;
    --background-tertiary: #f3f4f6;
    --container-background: #ff9a3d;
    --primary-color-link: var(--blue);
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --radius-sm: 0.375rem;
    --radius-md: 0.0rem;
    --radius-lg: 0.0rem;
    --card-max-width: 500px;
}

body {
    font-family: 'Tenor Sans', 'Overpass', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--background-secondary);
    font-size: 16px;
    font-weight: 400;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    margin: 0 auto;
    padding: 0 1.5rem;
    background: var(--container-background);
}

/* Typography */
.heading {
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
    margin-bottom: 1rem;
}

.heading-xl {
    font-size: 2.25rem;
}

.heading-lg {
    font-size: 1.875rem;
}

.heading-md {
    font-size: 1.5rem;
}

.heading-sm {
    font-size: 1.25rem;
}

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

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

.text-muted {
    color: var(--text-muted);
}

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

/* Layout components */
.card {
    background: var(--background-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: 2rem;
    border: 1px solid var(--border-color);
    width: 100%;
    max-width: var(--card-max-width);
    margin: 0 auto;
}

.card-simple {
    background: var(--background-primary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    padding: 1.5rem;
}

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

.form-group:last-child {
    margin-bottom: 0;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-primary);
    font-size: 0.875rem;
}

.form-input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 0;
    border-radius: 0;
    border-bottom: 1px solid var(--form-border-color);
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.2s ease;
    outline: none;
    background-color: var(--background-primary);
    color: var(--text-primary);
}

.form-input:focus {
    border-color: var(--border-focus);
}

.form-input::placeholder {
    color: var(--text-muted);
}

.form-input:disabled {
    background-color: var(--background-tertiary);
    color: var(--text-muted);
    cursor: not-allowed;
}

/* Button styles */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    font-family: inherit;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    outline: none;
    white-space: nowrap;
}

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

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

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

.btn-secondary:hover:not(:disabled) {
    background-color: var(--background-tertiary);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

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

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

.btn-ghost {
    background-color: transparent;
    color: var(--text-secondary);
    border-color: transparent;
}

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

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

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

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
}

/* Message styles */
.message {
    background-color: var(--background-primary);
    position: fixed;
    top: 20px;
    right: 20px;
    max-width: 400px;
    z-index: 1000;
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius-lg);
    padding: 1rem 1.5rem;
    animation: slideInRightAndOut 5s ease-in-out forwards;
}

@keyframes slideInRightAndOut {
    0% {
        opacity: 0;
        transform: translateX(100%);
    }
    10% {
        opacity: 1;
        transform: translateX(0);
    }
    90% {
        opacity: 1;
        transform: translateX(0);
    }
    100% {
        opacity: 0;
        transform: translateX(100%);
    }
}

/* Link styles */
a {
    color: var(--primary-color-link);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--primary-hover);
    text-decoration: underline;
}

/* Utility classes */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.mt-0 { margin-top: 0; }
.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; }

.mb-0 { margin-bottom: 0; }
.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; }

.p-0 { padding: 0; }
.p-1 { padding: 0.25rem; }
.p-2 { padding: 0.5rem; }
.p-3 { padding: 0.75rem; }
.p-4 { padding: 1rem; }
.p-6 { padding: 1.5rem; }
.p-8 { padding: 2rem; }

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

.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-2 { gap: 0.5rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }

.hidden { display: none; }
.block { display: block; }
.inline-block { display: inline-block; }

/* Responsive design */
@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }
    
    .card {
        padding: 1.5rem;
    }
    
    .heading-xl {
        font-size: 1.875rem;
    }
    
    .heading-lg {
        font-size: 1.5rem;
    }
    
    .btn {
        padding: 0.75rem 1.25rem;
        font-size: 0.875rem;
    }
    
    .btn-lg {
        padding: 0.875rem 1.5rem;
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 0.75rem;
    }
    
    .card {
        padding: 1rem;
    }
    
    .heading-xl {
        font-size: 1.5rem;
    }
}

/* Floating label styles */
.input-container {
    position: relative;
}

.input-container .floating-label {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
    transition: 0.2s ease all;
}

.input-container input::placeholder {
    color: transparent; /* Hide placeholder */
}

.input-container input:focus + .floating-label,
.input-container input:not(:placeholder-shown) + .floating-label {
    top: -0.6rem;
    left: 1rem;
    font-size: 0.75rem;
    background: var(--background-primary);
    padding: 0 0.25rem;
    color: var(--text-primary);
}