@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;600&display=swap');

:root {
    --bg-color: #050505;
    --surface-color: #0f0f0f;
    --surface-hover: #161616;
    --text-primary: #ffffff;
    --text-secondary: #8e8e93;
    --accent-color: #ffffff;
    --border-color: #1c1c1e;
    --sidebar-width: 260px;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.5);
    --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Outfit', sans-serif;
    background: radial-gradient(circle at center, #111 0%, #000 100%) no-repeat fixed;
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    min-height: 100vh;
}

/* Layout Structure */
.app-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--bg-color);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: 100;
}

.sidebar-header {
    padding: 32px 24px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 32px;
    height: 32px;
    background-color: var(--accent-color);
    border-radius: 4px;
}

.salon-name {
    font-weight: 600;
    font-size: 1.1rem;
    letter-spacing: -0.02em;
    text-transform: uppercase;
}

.nav-menu {
    flex: 1;
    padding: 12px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 8px;
    font-size: 0.95rem;
    margin-bottom: 4px;
    transition: var(--transition);
}

.nav-item:hover, .nav-item.active {
    background-color: var(--surface-hover);
    color: var(--text-primary);
}

.nav-item i {
    font-size: 1.2rem;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: 40px;
    max-width: calc(100vw - var(--sidebar-width));
}

.header-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
}

.page-title {
    font-size: 1.8rem;
    font-weight: 600;
    letter-spacing: -0.03em;
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 12px;
}

.avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
}

/* Dashboard Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
    margin-bottom: 40px;
}

.card {
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    transition: var(--transition);
}

.card:hover {
    border-color: #333;
}

.card-label {
    color: var(--text-secondary);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 8px;
}

.card-value {
    font-size: 1.5rem;
    font-weight: 600;
}

/* Productivity Table */
.data-section {
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
}

.section-header {
    padding: 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.table-container {
    padding: 0;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th {
    text-align: left;
    padding: 16px 24px;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.85rem;
    background-color: rgba(255,255,255,0.02);
}

td {
    padding: 16px 24px;
    border-top: 1px solid var(--border-color);
    font-size: 0.9rem;
}

.status-badge {
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
}

.status-confirmed { background: rgba(52, 211, 153, 0.1); color: #34d399; }
.status-pending { background: rgba(251, 191, 36, 0.1); color: #fbbf24; }

/* Buttons */
.btn {
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid transparent;
    font-size: 0.9rem;
}

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

.btn-primary:hover {
    background-color: #e2e2e2;
}

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

.btn-secondary:hover {
    background-color: var(--surface-hover);
}

/* Auth Layout Refined */
.auth-container {
    display: flex;
    min-height: 100vh;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle at center, #111 0%, #000 100%);
}

.auth-card {
    background-color: rgba(15, 15, 15, 0.8);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 24px;
    padding: 60px 48px;
    width: 100%;
    max-width: 440px;
    box-shadow: 0 40px 100px rgba(0,0,0,0.8);
    animation: fadeIn 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.auth-header {
    text-align: center;
    margin-bottom: 48px;
}

.auth-title {
    font-size: 1.75rem;
    font-weight: 600;
    margin-top: 20px;
    letter-spacing: -0.04em;
    color: #fff;
}

.auth-subtitle {
    color: #888;
    font-size: 0.95rem;
    margin-top: 10px;
}

/* Form Controls Refined */
.form-group {
    margin-bottom: 28px;
}

.form-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    color: #555;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.form-input {
    width: 100%;
    background-color: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 16px 20px;
    color: #fff;
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-input:focus {
    outline: none;
    border-color: rgba(255, 255, 255, 0.3);
    background-color: rgba(255, 255, 255, 0.05);
}

.form-input::placeholder {
    color: #444;
}

.form-footer {
    text-align: center;
    margin-top: 40px;
    font-size: 0.9rem;
    color: #666;
}

.form-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
}

.form-link:hover {
    text-decoration: underline;
}

/* Multi-step / Grid Forms */
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}