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

body {
    font-family: var(--font-main);
    background-color: var(--bg-main);
    color: var(--text-main);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

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

/* Layout Utilities */
.flex {
    display: flex;
}

.flex-col {
    flex-direction: column;
}

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

.items-start {
    align-items: flex-start;
}

.justify-center {
    justify-content: center;
}

.justify-between {
    justify-content: space-between;
}

.gap-2 {
    gap: 0.5rem;
}

.gap-3 {
    gap: 0.75rem;
}

.gap-4 {
    gap: 1rem;
}

/* Margin Utilities */
.mt-4 {
    margin-top: 1rem;
}

.mb-2 {
    margin-bottom: 0.5rem;
}

.mb-4 {
    margin-bottom: 1rem;
}

.mb-6 {
    margin-bottom: 1.5rem;
}

.mb-8 {
    margin-bottom: 2rem;
}

.mb-10 {
    margin-bottom: 2.5rem;
}

.mb-12 {
    margin-bottom: 3rem;
}

.mb-16 {
    margin-bottom: 4rem;
}

/* Padding Utilities */
.p-2 {
    padding: 0.5rem;
}

.p-4 {
    padding: 1rem;
}

.p-8 {
    padding: 2rem;
}

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

.px-6 {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
}

.w-full {
    width: 100%;
}

.hidden {
    display: none;
}

/* Components */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    font-family: inherit;
}

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

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

.btn-outline {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-main);
}

.btn-outline:hover {
    background: var(--bg-main);
}

/* Typography */
h1 {
    font-size: 2.5rem;
    font-weight: 800;
}

h2 {
    font-size: 1.8rem;
    font-weight: 700;
}

h3 {
    font-size: 1.4rem;
    font-weight: 600;
}

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

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

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

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    font-size: 0.9rem;
}

input,
textarea,
select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 1rem;
    background: var(--bg-card);
    color: var(--text-main);
}

input:focus,
textarea:focus {
    outline: none;
    border-color: var(--color-primary-light);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.1);
}