/* ============================================================
   Container & Layout
   ============================================================ */

.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-4);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--space-6);
    }
}

@media (min-width: 1024px) {
    .container {
        padding: 0 var(--space-8);
    }
}

.container-sm {
    max-width: 640px;
}

.container-md {
    max-width: 768px;
}

.container-lg {
    max-width: 1024px;
}

.container-xl {
    max-width: 1280px;
}

.container-full {
    max-width: 100%;
}

/* ============ Grid ============ */
.grid {
    display: grid;
    gap: var(--space-4);
}

.grid-cols-1 {
    grid-template-columns: repeat(1, minmax(0, 1fr));
}

.grid-cols-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-cols-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-cols-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

@media (min-width: 768px) {
    .md\:grid-cols-2 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .md\:grid-cols-3 {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .md\:grid-cols-4 {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }
}

@media (min-width: 1024px) {
    .lg\:grid-cols-3 {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .lg\:grid-cols-4 {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }
}

/* ============ Flex Utilities ============ */
.flex {
    display: flex;
}

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

.flex-row {
    flex-direction: row;
}

.flex-wrap {
    flex-wrap: wrap;
}

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

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

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

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

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

.justify-end {
    justify-content: flex-end;
}

.gap-1 {
    gap: var(--space-1);
}

.gap-2 {
    gap: var(--space-2);
}

.gap-3 {
    gap: var(--space-3);
}

.gap-4 {
    gap: var(--space-4);
}

.gap-6 {
    gap: var(--space-6);
}

.gap-8 {
    gap: var(--space-8);
}

/* ============ Spacing Utilities ============ */
.m-0 {
    margin: 0;
}

.mt-1 {
    margin-top: var(--space-1);
}

.mt-2 {
    margin-top: var(--space-2);
}

.mt-3 {
    margin-top: var(--space-3);
}

.mt-4 {
    margin-top: var(--space-4);
}

.mt-6 {
    margin-top: var(--space-6);
}

.mt-8 {
    margin-top: var(--space-8);
}

.mb-1 {
    margin-bottom: var(--space-1);
}

.mb-2 {
    margin-bottom: var(--space-2);
}

.mb-3 {
    margin-bottom: var(--space-3);
}

.mb-4 {
    margin-bottom: var(--space-4);
}

.mb-6 {
    margin-bottom: var(--space-6);
}

.mb-8 {
    margin-bottom: var(--space-8);
}

.mx-auto {
    margin-left: auto;
    margin-right: auto;
}

.p-2 {
    padding: var(--space-2);
}

.p-3 {
    padding: var(--space-3);
}

.p-4 {
    padding: var(--space-4);
}

.p-6 {
    padding: var(--space-6);
}

.p-8 {
    padding: var(--space-8);
}

/* ============ Display ============ */
.hidden {
    display: none;
}

.block {
    display: block;
}

.inline-block {
    display: inline-block;
}

/* ============ Position ============ */
.relative {
    position: relative;
}

.absolute {
    position: absolute;
}

.fixed {
    position: fixed;
}

.sticky {
    position: sticky;
}

/* ============ Auth Layout (Login/Register) ============ */
.auth-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
    background: linear-gradient(135deg, var(--color-secondary-900) 0%, var(--color-secondary-700) 50%, var(--color-primary-600) 100%);
    position: relative;
    overflow: hidden;
}

    .auth-wrapper::before {
        content: '';
        position: absolute;
        top: -50%;
        left: -50%;
        width: 200%;
        height: 200%;
        background: radial-gradient(circle at 20% 30%, rgba(245, 158, 11, 0.15) 0%, transparent 40%), radial-gradient(circle at 80% 70%, rgba(20, 184, 166, 0.15) 0%, transparent 40%);
        animation: authFloat 20s ease-in-out infinite;
        pointer-events: none;
    }

@keyframes authFloat {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg);
    }

    50% {
        transform: translate(-20px, -20px) rotate(5deg);
    }
}

.auth-card {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 440px;
    background: var(--bg-primary);
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    box-shadow: var(--shadow-2xl);
    animation: authCardIn var(--transition-slow) ease-out;
}

@media (min-width: 768px) {
    .auth-card {
        padding: var(--space-10);
    }
}

@keyframes authCardIn {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.98);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.auth-logo {
    text-align: center;
    margin-bottom: var(--space-6);
}

.auth-logo-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-3);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary-500), var(--color-primary-600));
    border-radius: var(--radius-xl);
    font-size: 2rem;
    box-shadow: var(--shadow-lg);
}

.auth-title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    text-align: center;
    margin-bottom: var(--space-1);
    color: var(--text-primary);
}

.auth-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    margin-bottom: var(--space-6);
}