:root {
    --bg-dark: #0b0b0b;
    --bg-card: #1a1a1a;
    --bg-tertiary: #2a2a2a;
    --accent: #00b36b;
    --accent-hover: #009955;
    --text-light: #f5f5f5;
    --text-muted: #aaa;
    --success: #4caf50;
    --warning: #ff9800;
    --danger: #f44336;
    --border-color: #333;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-light);
    display: flex;
    height: 100vh;
    overflow: hidden;
}

/* ===== SIDEBAR ===== */
aside {
    width: 250px;
    background-color: var(--bg-card);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    padding: 20px;
}

aside h1 {
    font-size: 20px;
    margin-bottom: 30px;
    color: var(--accent);
    font-weight: 700;
}

nav {
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1;
}

nav a {
    padding: 12px 16px;
    border-radius: 6px;
    text-decoration: none;
    color: var(--text-light);
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
    cursor: pointer;
}

nav a:hover {
    background-color: var(--bg-tertiary);
    border-left-color: var(--accent);
}

nav a.active {
    background-color: var(--bg-tertiary);
    border-left-color: var(--accent);
    color: var(--accent);
}

aside footer {
    text-align: center;
    font-size: 12px;
    color: var(--text-muted);
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    margin-top: auto;
}

/* ===== MAIN CONTENT ===== */
main {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

header {
    background-color: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    padding: 20px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header h2 {
    font-size: 24px;
    font-weight: 600;
}

header .header-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

header .user-info {
    font-size: 14px;
    color: var(--text-muted);
}

header .user-info strong {
    color: var(--accent);
}

.btn-settings {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    margin-right: 12px;

    font-size: 18px;
    text-decoration: none;

    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    color: #fff;

    transition: background 0.2s ease, transform 0.2s ease;
}

.btn-settings:hover {
    background: rgba(255, 255, 255, 0.18);
    transform: rotate(20deg);
}


/* ===== CONTENT AREA ===== */
.content {
    padding: 30px;
    flex: 1;
    overflow-y: auto;
}

/* ===== DASHBOARD ===== */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.card:hover {
    border-color: var(--accent);
    box-shadow: 0 0 20px rgba(0, 179, 107, 0.2);
    transform: translateY(-2px);
}

.card h3 {
    font-size: 16px;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.5;
}

.badge {
    display: inline-block;
    padding: 4px 12px;
    background-color: var(--accent);
    border-radius: 20px;
    font-size: 12px;
    color: #000;
    font-weight: 600;
}

.badge.warning {
    background-color: var(--warning);
}

.badge.success {
    background-color: var(--success);
}

.badge.danger {
    background-color: var(--danger);
}

/* ===== SECTION CONTAINER ===== */
.section {
    display: none;
}

.section.active {
    display: block;
}

.section-title {
    font-size: 20px;
    margin-bottom: 20px;
    color: var(--text-light);
    border-bottom: 2px solid var(--accent);
    padding-bottom: 10px;
}

/* ===== DASHBOARD GRID ===== */
.dashboard-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 30px;
    margin-bottom: 30px;
}

.dashboard-section {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
}

.dashboard-section h3 {
    font-size: 16px;
    margin-bottom: 15px;
    color: var(--accent);
}

/* ===== CALENDAR ===== */
#calendar {
    background-color: var(--bg-card);
    border-radius: 8px;
    overflow: hidden;
}

.fc {
    font-family: inherit;
}

.fc .fc-button-primary {
    background-color: var(--accent);
    border-color: var(--accent);
    color: #000;
}

.fc .fc-button-primary:hover {
    background-color: var(--accent-hover);
    border-color: var(--accent-hover);
}

.fc .fc-button-primary.fc-button-active {
    background-color: var(--accent-hover);
    border-color: var(--accent-hover);
}

.fc-theme-standard td,
.fc-theme-standard th {
    border-color: var(--border-color);
}

.fc-theme-standard .fc-col-header-cell {
    background-color: var(--bg-tertiary);
    color: var(--accent);
}

.fc-theme-standard .fc-daygrid-day {
    background-color: var(--bg-card);
}

.fc-theme-standard .fc-daygrid-day:hover {
    background-color: var(--bg-tertiary);
}

.fc-event {
    background-color: var(--accent) !important;
    border-color: var(--accent) !important;
}

.fc-event.fc-event-warning {
    background-color: var(--warning) !important;
    border-color: var(--warning) !important;
}

.fc-event.fc-event-danger {
    background-color: var(--danger) !important;
    border-color: var(--danger) !important;
}

.fc .fc-daygrid-day-number {
    color: var(--text-light);
}

.fc .fc-col-header-cell {
    color: var(--accent);
}

.fc .fc-daygrid-day-frame {
    color: var(--text-light);
}

.fc .fc-list-event-title {
    color: var(--text-light);
}

/* ===== FORMS ===== */
.form-container {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 25px;
    margin-bottom: 30px;
    max-width: 600px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-light);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-light);
    font-size: 14px;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(0, 179, 107, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.form-row .form-group {
    margin-bottom: 0;
}

/* ===== BUTTONS ===== */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

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

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

.btn-secondary {
    background-color: var(--bg-tertiary);
    color: var(--text-light);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    border-color: var(--accent);
}

.btn-success {
    background-color: var(--success);
    color: #fff;
}

.btn-success:hover {
    opacity: 0.9;
}

.btn-danger {
    background-color: var(--danger);
    color: #fff;
}

.btn-danger:hover {
    opacity: 0.9;
}

.btn-logout {
    background-color: var(--danger);
    color: #fff;
    padding: 8px 16px;
    font-size: 13px;
}

.btn-logout:hover {
    opacity: 0.9;
}

.btn-small {
    padding: 6px 12px;
    font-size: 12px;
}

.btn-group {
    display: flex;
    gap: 10px;
    margin-top: 20px;
}

/* ===== TABLES ===== */
.table-container {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 30px;
}

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

thead {
    background-color: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
}

th {
    padding: 15px;
    text-align: left;
    font-weight: 600;
    color: var(--accent);
    font-size: 13px;
    text-transform: uppercase;
}

td {
    padding: 15px;
    border-bottom: 1px solid var(--border-color);
    font-size: 14px;
    color: var(--text-light);
}

tbody tr:hover {
    background-color: var(--bg-tertiary);
}

tbody tr:last-child td {
    border-bottom: none;
}

.table-actions {
    display: flex;
    gap: 8px;
}

/* ===== MODAL ===== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background-color: var(--bg-card);
    border-radius: 8px;
    padding: 30px;
    max-width: 500px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    border: 1px solid var(--border-color);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 15px;
}

.modal-header h3 {
    font-size: 18px;
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: 24px;
    color: var(--text-muted);
    cursor: pointer;
    transition: color 0.3s ease;
}

.modal-close:hover {
    color: var(--accent);
}

/* ===== UTILITIES ===== */
.text-center {
    text-align: center;
}

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

.mt-20 {
    margin-top: 20px;
}

.mb-20 {
    margin-bottom: 20px;
}

.hidden {
    display: none !important;
}

.clickable {
    cursor: pointer;
}

.clickable:hover {
    opacity: 0.8;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    body {
        flex-direction: column;
    }

    aside {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }

    nav {
        flex-direction: row;
        gap: 5px;
        flex-wrap: wrap;
    }

    nav a {
        padding: 8px 12px;
        font-size: 12px;
    }

    .card-grid {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    header {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }

    header .header-right {
        flex-direction: column;
        width: 100%;
    }

    table {
        font-size: 12px;
    }

    th, td {
        padding: 10px;
    }

    .dashboard-grid {
        grid-template-columns: 1fr;
    }
}

/* ===== AUTH (puplich Log) ===== */
:root{
  --auth-maxw: 460px;
  --auth-radius: 14px;
  --auth-shadow: 0 20px 60px rgba(0,0,0,.45);
  --auth-grad1: rgba(0,179,107,.10);
  --auth-grad2: rgba(0,179,107,.06);
}

.auth-hero {
  min-height: 100svh;
  display: grid;
  place-items: center;
  background:
    radial-gradient(70rem 70rem at 120% -10%, var(--auth-grad1), transparent 40%),
    radial-gradient(60rem 60rem at -20% 120%, var(--auth-grad2), transparent 45%),
    var(--bg-dark);
  padding: clamp(16px, 3vw, 32px);
}

.auth-card {
  width: min(100%, var(--auth-maxw));
  background: linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,.00));
  border: 1px solid var(--border-color);
  border-radius: var(--auth-radius);
  box-shadow: var(--auth-shadow);
  padding: clamp(22px, 3.4vw, 34px);
  backdrop-filter: blur(6px);
}

.auth-header {
  display: grid; gap: 6px; margin-bottom: 18px;
}
.auth-brand {
  display: flex; align-items: center; gap: 10px;
  color: var(--accent); font-weight: 700; letter-spacing: .2px;
}
.auth-title { font-size: clamp(22px, 2.6vw, 28px); color: var(--text-light); }
.auth-sub   { color: var(--text-muted); font-size: 14px; }

.auth-grid { display: grid; gap: 12px; }
.auth-row  { display: grid; gap: 12px; }
@media (min-width: 560px){ .auth-row{ grid-template-columns: 1fr 1fr; } }

.auth-label { color: var(--text-light); font-size: 13px; margin-bottom: 4px; }
.auth-input {
  width: 100%; border-radius: 10px; padding: 10px 12px;
  background: var(--bg-elevated, #1a1a1a);
  border: 1px solid var(--border-color);
  color: var(--text-light);
}
.auth-input::placeholder { color: #9aa4ad; opacity: .6; }

.auth-actions {
  display: flex; gap: 10px; align-items: center; justify-content: space-between;
  margin-top: 6px;
}
.btn-primary {
  background: var(--accent); color:#022016; border:0; padding:10px 14px;
  border-radius: 10px; font-weight: 600; cursor: pointer;
}
.btn-primary:hover { filter: brightness(1.05); }
.btn-ghost {
  background: transparent; border:1px solid var(--border-color);
  color: var(--text-light); padding:10px 14px; border-radius:10px;
}

.auth-error {
  background: rgba(244,67,54,.12);
  border: 1px solid rgba(244,67,54,.35);
  color: #ffd6d1;
  padding: 10px 12px; border-radius: 10px; font-size: 13px; margin: 8px 0 12px;
}

.auth-meta { margin-top: 14px; font-size: 13px; color: var(--text-muted); text-align: center; }
.auth-meta a { color: var(--accent); text-decoration: none; }
.auth-meta a:hover { color: var(--accent-hover, #25d19a); }

/* ========== AUTH – Metallic / Glass / Neon ========== */

.auth-hero {
  position: relative;
  isolation: isolate;
  background:
    radial-gradient(70rem 70rem at 120% -10%, rgba(0,179,107,.10), transparent 40%),
    radial-gradient(60rem 60rem at -20% 120%, rgba(0,179,107,.06), transparent 45%),
    var(--bg-dark);
}
.auth-hero::after{
  content:"";
  position: absolute; inset:0;
  pointer-events:none;
  opacity:.25;
  background:
    linear-gradient(transparent 75%, rgba(255,255,255,.06) 100%),
    repeating-linear-gradient(90deg, rgba(255,255,255,.02) 0 1px, transparent 1px 3px);
  mix-blend-mode: soft-light;
}

.auth-card{
  position: relative;
  border: 1px solid color-mix(in oklab, var(--border-color) 70%, white 30%);
  background:
    linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.00));
  backdrop-filter: blur(8px) saturate(1.1);
  transform: translateZ(0);
  overflow: hidden;
}

.auth-card::before{
  content:"";
  position:absolute; inset:-1px;
  border-radius: inherit;
  padding:1px; 
  background:
    conic-gradient(from 210deg at 50% 50%,
      rgba(255,255,255,.15),
      rgba(0,179,107,.35),
      rgba(255,255,255,.10),
      rgba(0,179,107,.30),
      rgba(255,255,255,.15));
  -webkit-mask:linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  pointer-events:none;
  filter: blur(.3px);
}

.auth-card::after{
  content:"";
  position:absolute; inset:1px;
  border-radius: inherit;
  pointer-events:none;
  background:
    radial-gradient(120% 60% at 50% -10%, rgba(255,255,255,.08), transparent 45%),
    radial-gradient(120% 60% at 50% 110%, rgba(255,255,255,.06), transparent 55%);
  mix-blend-mode: screen;
  opacity:.7;
}

.auth-brand{
  position: relative;
  color: var(--accent);
  text-shadow: 0 0 14px color-mix(in oklab, var(--accent) 60%, #000 40%);
}
.auth-title{
  letter-spacing:.2px;
}
.auth-sub{
  opacity:.85;
}

.auth-input{
  background: linear-gradient(180deg, rgba(255,255,255,.04), rgba(0,0,0,.12));
  border: 1px solid color-mix(in oklab, var(--border-color) 65%, white 35%);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.06),
    inset 0 -1px 0 rgba(0,0,0,.25);
  transition: border-color .2s ease, box-shadow .2s ease, transform .06s ease;
}
.auth-input:hover{
  transform: translateY(-1px);
}
.auth-input:focus{
  outline: none;
  border-color: color-mix(in oklab, var(--accent) 60%, white 40%);
  box-shadow:
    0 0 0 3px color-mix(in oklab, var(--accent) 25%, transparent 75%),
    0 8px 24px -16px color-mix(in oklab, var(--accent) 45%, #000 55%),
    inset 0 1px 0 rgba(255,255,255,.08);
}

.btn-primary{
  position: relative;
  background: linear-gradient(180deg,
    color-mix(in oklab, var(--accent) 92%, white 8%),
    color-mix(in oklab, var(--accent) 88%, #000 12%));
  color: #061b14;
  box-shadow:
    0 6px 18px -6px color-mix(in oklab, var(--accent) 65%, #000 35%),
    inset 0 1px 0 rgba(255,255,255,.18);
  transition: transform .08s ease, filter .2s ease, box-shadow .2s ease;
}
.btn-primary::after{
  content:""; position:absolute; inset:0; border-radius: inherit;
  background: linear-gradient(120deg,rgba(255,255,255,.28),transparent 45% 100%);
  mix-blend-mode: overlay; opacity:.0; transform: translateX(-30%);
  transition: opacity .25s ease, transform .35s ease;
}
.btn-primary:hover{
  filter: brightness(1.06);
  transform: translateY(-1px);
  box-shadow:
    0 10px 28px -10px color-mix(in oklab, var(--accent) 70%, #000 30%),
    inset 0 1px 0 rgba(255,255,255,.22);
}
.btn-primary:hover::after{
  opacity:.35; transform: translateX(0%);
}
.btn-primary:active{
  transform: translateY(0);
}

.btn-ghost{
  border-color: color-mix(in oklab, var(--border-color) 70%, white 30%);
  background: linear-gradient(180deg, rgba(255,255,255,.02), rgba(0,0,0,.10));
  transition: border-color .2s ease, background .2s ease, transform .08s ease;
}
.btn-ghost:hover{
  transform: translateY(-1px);
  border-color: color-mix(in oklab, var(--accent) 35%, var(--border-color) 65%);
}

.auth-error{
  background: linear-gradient(180deg, rgba(244,67,54,.14), rgba(244,67,54,.10));
  border: 1px solid rgba(244,67,54,.35);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.06);
  color: #ffd9d6;
}

@media (prefers-reduced-motion: reduce){
  .auth-input, .btn-primary, .btn-ghost { transition: none; }
}