/* === Reset & Base === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --color-primary: #374c77;
    --color-primary-hover: #2c3e63;
    --color-primary-light: #e8ecf3;
    --color-text: #1a1a2e;
    --color-text-body: #4a4a68;
    --color-text-muted: #8a8aa3;
    --color-border: #e2e4e9;
    --color-bg: #f5f6fa;
    --color-card: #ffffff;
    --color-success: #16a34a;
    --color-success-bg: #f0fdf4;
    --color-warning: #d97706;
    --color-warning-bg: #fffbeb;
    --color-error: #dc2626;
    --color-error-bg: #fef2f2;
    --color-info: #2563eb;
    --color-info-bg: #eff6ff;
    --color-sidebar: #1a1a2e;
    --font-sans: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    --font-mono: 'Fira Code', Consolas, monospace;
    --sidebar-width: 260px;
}

body {
    font-family: var(--font-sans);
    font-size: 14px;
    font-weight: 400;
    color: var(--color-text-body);
    background: var(--color-bg);
    line-height: 1.5;
}

h1 { font-size: 24px; font-weight: 700; color: var(--color-text); }
h2 { font-size: 18px; font-weight: 600; color: var(--color-text); }
h3 { font-size: 16px; font-weight: 600; color: var(--color-text); }
small, .text-small { font-size: 12px; }
.text-muted { color: var(--color-text-muted); }

/* === Layout === */
.sidebar {
    position: fixed;
    top: 0; left: 0; bottom: 0;
    width: var(--sidebar-width);
    background: var(--color-card);
    border-right: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    z-index: 100;
}

.sidebar__logo {
    padding: 24px;
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    gap: 12px;
}
.sidebar__logo-img { height: 32px; }
.sidebar__close {
    display: none;
    background: none;
    border: none;
    color: var(--color-text-muted);
    cursor: pointer;
    padding: 4px;
}
.sidebar__close:hover { color: var(--color-text); }

.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.4);
    z-index: 99;
}

.sidebar__nav {
    flex: 1;
    padding: 16px 0;
    overflow-y: auto;
}

.sidebar__item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 24px;
    color: var(--color-text-body);
    text-decoration: none;
    font-size: 14px;
    transition: background 0.15s, color 0.15s;
}
.sidebar__item:hover { background: var(--color-bg); color: var(--color-text); }
.sidebar__item--active { background: var(--color-primary-light); color: var(--color-primary); font-weight: 600; }
.sidebar__item--sub { padding-left: 48px; }

.sidebar__divider {
    height: 1px;
    background: var(--color-border);
    margin: 8px 24px;
}

.sidebar__icon { width: 20px; height: 20px; color: currentColor; flex-shrink: 0; }

.sidebar__footer {
    padding: 16px 24px;
    border-top: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.sidebar__user-name { color: var(--color-text); font-size: 13px; display: block; }
.sidebar__user-role { color: var(--color-text-muted); font-size: 12px; }
.sidebar__logout {
    background: none; border: none; color: var(--color-text-muted); cursor: pointer; padding: 4px;
}
.sidebar__logout:hover { color: var(--color-error); }

.sidebar-toggle { display: none; }

.content-area {
    margin-left: var(--sidebar-width);
    padding: 32px 40px;
    max-width: 1200px;
}

.content-header { margin-bottom: 24px; }

/* === Cards === */
.card {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}
.card__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

/* === Buttons === */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 14px;
    border: 1.5px solid transparent;
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s;
    text-decoration: none;
}
.btn--primary { background: var(--color-primary); color: #fff; }
.btn--primary:hover { background: var(--color-primary-hover); }
.btn--secondary { background: transparent; border-color: var(--color-border); color: var(--color-text-body); }
.btn--secondary:hover { border-color: var(--color-primary); color: var(--color-primary); }
.btn--danger { background: var(--color-error); color: #fff; }
.btn--danger:hover { background: #b91c1c; }
.btn--ghost { background: transparent; border: none; color: var(--color-primary); padding: 6px 12px; }
.btn--ghost:hover { background: var(--color-primary-light); }
.btn--sm { padding: 6px 12px; font-size: 13px; }
.btn--full { width: 100%; justify-content: center; }

/* === Forms === */
.form-group { margin-bottom: 16px; }
.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 4px;
}
.form-input {
    width: 100%;
    padding: 10px 14px;
    border: 1.5px solid var(--color-border);
    border-radius: 8px;
    font-size: 14px;
    font-family: var(--font-sans);
    color: var(--color-text);
    background: #fff;
    transition: border-color 0.15s, box-shadow 0.15s;
}
.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(55,76,119,0.1);
}
.form-input::placeholder { color: var(--color-text-muted); }
.form-input--inline { width: 120px; padding: 4px 8px; font-size: 13px; }

select.form-input { appearance: auto; }

/* === Tables === */
.table-container {
    border: 1px solid var(--color-border);
    border-radius: 12px;
    overflow: hidden;
}
.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}
.table thead th {
    background: var(--color-bg);
    font-weight: 600;
    text-align: left;
    padding: 12px 16px;
    border-bottom: 1px solid var(--color-border);
}
.table tbody td {
    padding: 10px 16px;
    border-bottom: 1px solid var(--color-border);
}
.table tbody tr:last-child td { border-bottom: none; }
.table tbody tr:hover { background: #f9fafb; }
.table__month-header td {
    background: var(--color-primary-light);
    font-weight: 700;
    font-size: 14px;
    color: var(--color-text);
}

/* === Badges === */
.badge {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
}
.badge--success { background: var(--color-success-bg); color: var(--color-success); }
.badge--warning { background: var(--color-warning-bg); color: var(--color-warning); }
.badge--error { background: var(--color-error-bg); color: var(--color-error); }
.badge--info { background: var(--color-info-bg); color: var(--color-info); }
.badge--default { background: var(--color-bg); color: var(--color-text-body); }

/* === Filter Row === */
.filter-card { margin-bottom: 24px; }
.filter-row {
    display: flex;
    gap: 16px;
    align-items: flex-end;
    flex-wrap: wrap;
}
.filter-row .form-group { margin-bottom: 0; flex: 1; min-width: 150px; }
.filter-actions { display: flex; gap: 8px; align-items: flex-end; }

/* === Sticky Bar === */
.sticky-bar {
    position: fixed;
    bottom: 0; left: var(--sidebar-width); right: 0;
    background: var(--color-card);
    border-top: 1px solid var(--color-border);
    padding: 16px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 50;
    box-shadow: 0 -2px 8px rgba(0,0,0,0.06);
}

/* === Objects Layout === */
.objects-layout { display: flex; gap: 24px; }
.objects-list { flex: 0 0 40%; }
.objects-editor { flex: 1; }
.objects-list__header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.objects-list__items { list-style: none; }
.objects-list__item {
    padding: 12px 16px;
    border-bottom: 1px solid var(--color-border);
    cursor: pointer;
    transition: background 0.15s;
}
.objects-list__item:hover { background: var(--color-bg); }
.objects-list__item--active { background: var(--color-primary-light); }
.objects-list__item strong { display: block; font-size: 14px; color: var(--color-text); }
.objects-list__item span { font-size: 12px; color: var(--color-text-muted); }
.objects-editor__actions { display: flex; gap: 8px; margin-top: 16px; }

/* === Modals === */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.4);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
}
.modal {
    background: var(--color-card);
    border-radius: 16px;
    padding: 32px;
    max-width: 560px;
    width: 90%;
    box-shadow: 0 8px 32px rgba(0,0,0,0.12);
}
.modal__actions { display: flex; gap: 8px; margin-top: 24px; justify-content: flex-end; }

/* === Toasts === */
.toast-container {
    position: fixed;
    top: 24px; right: 24px;
    z-index: 300;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.toast {
    padding: 12px 20px;
    border-radius: 10px;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}
.toast--success { background: var(--color-success-bg); color: var(--color-success); border: 1px solid var(--color-success); }
.toast--error { background: var(--color-error-bg); color: var(--color-error); border: 1px solid var(--color-error); }
.toast--warning { background: var(--color-warning-bg); color: var(--color-warning); border: 1px solid var(--color-warning); }
.toast--info { background: var(--color-info-bg); color: var(--color-info); border: 1px solid var(--color-info); }
.toast__close { background: none; border: none; font-size: 18px; cursor: pointer; color: inherit; margin-left: auto; }

/* === Login Page === */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg);
}
.login-card {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 40px;
    max-width: 420px;
    width: 100%;
    box-shadow: 0 1px 3px rgba(0,0,0,0.06);
    text-align: center;
}
.login-card__logo { margin-bottom: 32px; }
.login-card__logo img { height: 40px; }
.login-card form { text-align: left; margin-top: 24px; }
.login-card__reset-link {
    display: block;
    margin-top: 16px;
    font-size: 13px;
    color: var(--color-primary);
    text-decoration: none;
}
.login-card__reset-link:hover { text-decoration: underline; }

/* === Spinner === */
.htmx-indicator { display: none; text-align: center; padding: 32px; }
.htmx-indicator.htmx-request { display: block; }
.spinner {
    width: 32px; height: 32px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    margin: 0 auto;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* === Responsive === */
@media (max-width: 1024px) {
    .sidebar { transform: translateX(-100%); transition: transform 0.2s; }
    .sidebar--open { transform: translateX(0); }
    .sidebar__close { display: block; }
    .sidebar-overlay { display: block; }
    .sidebar-toggle {
        display: flex;
        position: fixed;
        top: 16px; left: 16px;
        z-index: 98;
        background: var(--color-card);
        border: 1px solid var(--color-border);
        border-radius: 8px;
        padding: 8px;
        cursor: pointer;
    }
    .content-area { margin-left: 0; padding: 24px 16px; padding-top: 60px; }
    .sticky-bar { left: 0; }
    .objects-layout { flex-direction: column; }
    .objects-list { flex: none; }
}

@media (max-width: 768px) {
    .table-container { overflow-x: auto; }
    .filter-row { flex-direction: column; }
}