:root {
    --bg-color: #1a1a1a;
    --header-bg: #222222;
    --text-primary: #ffffff;
    --text-secondary: #999999;
    --accent-color: #9ed0f8;
    --accent-hover: #b9e0ff;
    --danger-color: #ff5f5f;
    --border-color: #333333;
    --input-bg: #2a2a2a;
    --row-hover: #212121;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

/* Header */
.main-header {
    background-color: var(--header-bg);
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-text {
    font-family: 'Outfit', sans-serif;
    font-size: 1.4rem;
    font-weight: 700;
}

.header-nav {
    display: flex;
    gap: 0.75rem;
}

/* Buttons */
.btn {
    padding: 0.5rem 1.25rem;
    border-radius: 2rem;
    border: none;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    font-family: inherit;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-pill {
    background-color: #333333;
    color: var(--text-primary);
}

.btn-pill:hover {
    background-color: #444444;
}

.btn-dark {
    background-color: #2a2a2a;
}

.btn-accent {
    background-color: var(--accent-color);
    color: #000;
}

/* Main Content & Table */
.main-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1rem;
}

.table-wrapper {
    width: 100%;
    margin-top: 1rem;
    overflow-x: hidden;
    /* Hide horizontal scroll on laptop if possible */
}

.shift-table {
    width: 100%;
    border-collapse: collapse;
    table-layout: auto;
    /* Allow auto fitting */
}

.shift-table th {
    background-color: #252525;
    text-align: left;
    padding: 1rem 0.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    border-bottom: 2px solid var(--border-color);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    white-space: nowrap;
}

.shift-table td {
    padding: 1rem 0.5rem;
    font-size: 0.85rem;
    border-bottom: 1px solid var(--border-color);
}

.shift-table tr:hover {
    background-color: var(--row-hover);
}

/* Status Badges */
.badge {
    padding: 0.2rem 0.5rem;
    border-radius: 0.3rem;
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
}

.badge-due {
    background-color: rgba(158, 208, 248, 0.15);
    color: var(--accent-color);
}

/* Action Buttons */
.action-btns {
    display: flex;
    gap: 0.5rem;
    justify-content: flex-end;
}

.btn-text {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 0.7rem;
    font-weight: 700;
    cursor: pointer;
    text-transform: uppercase;
    transition: color 0.2s;
}

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

.btn-delete:hover {
    color: var(--danger-color);
}

/* Centered Modal Overlay */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    z-index: 999;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: 0.3s;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background-color: #222222;
    width: 95%;
    max-width: 450px;
    max-height: 90vh;
    overflow-y: auto;
    padding: 2.5rem;
    border-radius: 1.5rem;
    border: 1px solid var(--border-color);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
    transform: scale(0.9);
    transition: 0.3s;
    scrollbar-width: thin;
    scrollbar-color: var(--border-color) transparent;
}

.modal-content::-webkit-scrollbar {
    width: 6px;
}

.modal-content::-webkit-scrollbar-thumb {
    background-color: var(--border-color);
    border-radius: 10px;
}

.modal-overlay.active .modal-content {
    transform: scale(1);
}

@media (max-width: 768px) {
    .modal-content {
        padding: 1.5rem;
        border-radius: 1.25rem;
    }
}

@media (max-width: 480px) {

    /* Stack grid columns on very small screens to prevent overflow */
    .modal-content form div[style*="grid-template-columns"] {
        grid-template-columns: 1fr !important;
        gap: 0.5rem !important;
    }
}

/* Mobile Side Nav */
.mobile-side-nav {
    position: fixed;
    top: 0;
    right: -280px;
    width: 280px;
    height: 100%;
    background-color: var(--header-bg);
    z-index: 1000;
    transition: 0.3s;
    padding: 6rem 2rem;
}

.mobile-side-nav.active {
    right: 0;
}

/* Hamburger Menu Toggle */
.mobile-menu-toggle {
    background: none;
    border: none;
    cursor: pointer;
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 5px;
    z-index: 1001;
}

.mobile-menu-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background-color: var(--text-primary);
    transition: 0.3s;
}

.mobile-menu-toggle.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.mobile-menu-toggle.open span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.mobile-nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: 998;
    opacity: 0;
    visibility: hidden;
    transition: 0.3s;
}

.mobile-nav-overlay.active {
    opacity: 1;
    visibility: visible;
}

.mobile-side-nav {
    position: fixed;
    top: 0;
    right: -280px;
    width: 280px;
    height: 100%;
    background-color: var(--header-bg);
    z-index: 1000;
    transition: 0.3s;
    padding: 6rem 2rem;
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
}

.mobile-side-nav.active {
    right: 0;
}

.mobile-nav-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.mobile-nav-content .btn {
    width: 100%;
    height: 3.5rem;
    font-size: 1rem;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.card-date {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 600;
}

.card-pay {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--accent-color);
}

.card-body {
    margin-bottom: 1rem;
}

.card-job {
    font-weight: 600;
    font-size: 1rem;
}

.card-times {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--border-color);
    padding-top: 0.75rem;
}

/* Media Queries */
@media (max-width: 1024px) {

    .shift-table th,
    .shift-table td {
        padding: 0.75rem 0.4rem;
        font-size: 0.8rem;
    }
}

/* Visibility Helpers */
.mobile-only {
    display: none !important;
}

.desktop-only {
    display: flex !important;
    /* Header nav uses flex */
}

@media (max-width: 768px) {
    .desktop-only {
        display: none !important;
    }

    .mobile-only {
        display: block !important;
    }

    /* Tables specifically should be hidden on mobile */
    .table-wrapper.desktop-only {
        display: none !important;
    }

    .mobile-menu-toggle {
        display: flex !important;
    }
}

/* Form Styles */
.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.4rem;
    color: var(--text-secondary);
    font-size: 0.8rem;
    font-weight: 500;
}

.form-control {
    width: 100%;
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    padding: 0.8rem 1rem;
    border-radius: 0.6rem;
    color: #fff;
    font-family: inherit;
    font-size: 0.9rem;
}

.form-control:focus {
    outline: 1px solid var(--accent-color);
    border-color: var(--accent-color);
}

.form-control:invalid:not(:placeholder-shown) {
    border-color: rgba(255, 95, 95, 0.5);
}

.form-control:invalid:focus {
    outline-color: var(--danger-color);
    border-color: var(--danger-color);
}

/* Simplified Login */
.login-container {
    max-width: 100%;
    width: 400px;
    margin: 5rem auto;
    padding: 2rem;
}

/* Loader Styles */
.loader-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
}

.loader-overlay.active {
    opacity: 1;
    visibility: visible;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 3px solid rgba(158, 208, 248, 0.1);
    border-radius: 50%;
    border-top-color: var(--accent-color);
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}