:root {
    --vk-dark: #293a5d;
    --vk-mid: #364870;
    --vk-muted: #475569;
    --vk-light: #f1f5f9;
    --vk-border: #e2e8f0;
    --vk-white: #ffffff;
    --vk-accent: #2563eb;
    --vk-radius: 0.75rem;
}

body {
    -webkit-tap-highlight-color: transparent;
    min-height: 100dvh;
    background: var(--vk-light) !important;
    display: flex;
    flex-direction: column;
}

.vk-header {
    background: var(--vk-dark);
    margin: 0 -1rem;
    color: #fff;
}

.vk-header-brand {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.75rem 1rem;
    background: #1e2d4a;
}

.vk-header-logo {
    width: 36px;
    height: auto;
    filter: brightness(0) invert(1);
}

.vk-header-appname {
    font-size: 1.2rem;
    font-weight: 700;
    color: #fff;
    letter-spacing: 0.01em;
}

.vk-header-user {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.65rem 1rem;
    background: rgba(0,0,0,0.15);
}

.vk-user-name {
    font-size: 0.95rem;
    font-weight: 600;
    color: #fff;
}

/* Footer */
.vk-footer {
    background: var(--vk-white);
    border-top: 1px solid var(--vk-border);
    padding: 0.5rem 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: auto;
}
.vk-footer-spacer {
    width: 60px;
}

.vk-lang-wrap {
    position: relative;
}
.vk-lang-toggle {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.3rem 0.65rem;
    border-radius: 1rem;
    border: 1px solid var(--vk-border);
    background: var(--vk-white);
    color: var(--vk-dark);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.15s;
}
.vk-lang-toggle:hover,
.vk-lang-toggle:active {
    background: var(--vk-light);
}
.vk-lang-menu {
    position: absolute;
    bottom: calc(100% + 0.5rem);
    right: 0;
    background: var(--vk-white);
    border: 1px solid var(--vk-border);
    border-radius: var(--vk-radius);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    min-width: 90px;
    display: none;
    z-index: 1001;
}
.vk-lang-menu.show {
    display: block;
}
.vk-lang-menu a {
    display: block;
    padding: 0.5rem 0.85rem;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--vk-dark);
    text-decoration: none;
    transition: background 0.1s;
}
.vk-lang-menu a:hover {
    background: var(--vk-light);
}
.vk-lang-menu a:first-child {
    border-radius: var(--vk-radius) var(--vk-radius) 0 0;
}
.vk-lang-menu a:last-child {
    border-radius: 0 0 var(--vk-radius) var(--vk-radius);
}

.vk-settings-wrap {
    position: relative;
}

.vk-settings-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--vk-border);
    background: var(--vk-white);
    color: var(--vk-muted);
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.15s;
}
.vk-settings-btn:hover {
    background: var(--vk-light);
    color: var(--vk-dark);
}
.vk-settings-btn:active,
.vk-settings-btn[aria-expanded="true"] {
    background: var(--vk-light);
    color: var(--vk-dark);
}

.vk-settings-menu {
    position: absolute;
    bottom: calc(100% + 0.5rem);
    left: 50%;
    transform: translateX(-50%);
    z-index: 1000;
    background: var(--vk-white);
    border: 1px solid var(--vk-border);
    border-radius: var(--vk-radius);
    box-shadow: 0 -4px 16px rgba(0,0,0,0.1);
    min-width: 160px;
    overflow: hidden;
    display: none;
}
.vk-settings-menu.show {
    display: block;
}

.vk-settings-menu a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.7rem 1rem;
    color: var(--vk-dark);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: background 0.1s;
}
.vk-settings-menu a:hover {
    background: var(--vk-light);
}
.vk-settings-menu a + a.vk-menu-danger {
    border-top: 1px solid var(--vk-border);
    color: #dc2626;
}
.vk-settings-menu a.vk-menu-danger:hover {
    background: #fef2f2;
}

.vk-status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.25rem 0.65rem;
    border-radius: 2rem;
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    text-transform: uppercase;
}
.vk-status-badge--in {
    background: rgba(34, 197, 94, 0.15);
    color: #86efac;
    border: 1px solid rgba(34, 197, 94, 0.3);
}
.vk-status-badge--out {
    background: rgba(239, 68, 68, 0.15);
    color: #fca5a5;
    border: 1px solid rgba(239, 68, 68, 0.3);
}
.vk-status-badge--none {
    background: rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.2);
}
.vk-status-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    display: inline-block;
}
.vk-status-badge--in .vk-status-dot { background: #22c55e; }
.vk-status-badge--out .vk-status-dot { background: #ef4444; }
.vk-status-badge--none .vk-status-dot { background: rgba(255,255,255,0.4); }


.vk-action-card {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding: 0.9rem 1rem;
    border-radius: var(--vk-radius);
    background: var(--vk-white);
    color: var(--vk-dark);
    text-decoration: none;
    border: 1px solid var(--vk-border);
    transition: background 0.12s ease;
}
.vk-action-card:active {
    background: var(--vk-light);
}
.vk-action-card:hover,
.vk-action-card:focus {
    color: var(--vk-dark);
    text-decoration: none;
    background: #f8fafc;
}
.vk-action-icon {
    width: 40px;
    height: 40px;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    flex-shrink: 0;
    color: var(--vk-white);
}
.vk-action-icon--clock   { background: var(--vk-dark); }
.vk-action-icon--hours   { background: var(--vk-mid); }
.vk-action-icon--driving { background: var(--vk-muted); }
.vk-profile-reminder {
    display: flex;
    align-items: center;
    gap: 0.9rem;
    padding: 1rem 1.1rem;
    border-radius: var(--vk-radius);
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border: 2px solid #f59e0b;
    color: #92400e;
    text-decoration: none;
    transition: all 0.15s ease;
    box-shadow: 0 2px 8px rgba(245, 158, 11, 0.25);
}
.vk-profile-reminder:hover,
.vk-profile-reminder:focus {
    color: #78350f;
    text-decoration: none;
    background: linear-gradient(135deg, #fde68a 0%, #fcd34d 100%);
    border-color: #d97706;
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.35);
}
.vk-profile-reminder:active {
    transform: scale(0.99);
}
.vk-profile-reminder__icon {
    width: 44px;
    height: 44px;
    border-radius: 0.5rem;
    background: #f59e0b;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}
.vk-profile-reminder__label {
    font-weight: 700;
    font-size: 1rem;
    color: #78350f;
}
.vk-profile-reminder__sub {
    font-size: 0.875rem;
    color: #92400e;
    margin-top: 0.15rem;
}
.vk-profile-reminder__chevron {
    color: #b45309;
    margin-left: auto;
}

.vk-action-label {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--vk-dark);
}
.vk-action-sub {
    font-size: 0.85rem;
    color: var(--vk-muted);
}
.vk-action-chevron {
    color: var(--vk-muted);
    margin-left: auto;
}

.vk-section-title {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--vk-dark);
    font-weight: 700;
    margin-bottom: 0.6rem;
}

.vk-stat-card {
    background: #e2e8f0;
    border-radius: var(--vk-radius);
    padding: 1rem 0.75rem;
    border: 1px solid #cbd5e1;
}
.vk-stat-value {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--vk-dark);
    line-height: 1.2;
}
.vk-stat-label {
    font-size: 0.75rem;
    color: var(--vk-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-weight: 600;
    margin-top: 0.15rem;
}

.vk-link-row {
    display: flex;
    align-items: center;
    padding: 0.75rem 1rem;
    background: var(--vk-white);
    color: var(--vk-dark);
    text-decoration: none;
    border: 1px solid var(--vk-border);
    font-size: 0.9rem;
    font-weight: 500;
}
.vk-link-row:hover,
.vk-link-row:focus {
    color: var(--vk-dark);
    text-decoration: none;
    background: #f8fafc;
}
.vk-link-row:first-child {
    border-radius: var(--vk-radius) var(--vk-radius) 0 0;
}
.vk-link-row:last-child {
    border-radius: 0 0 var(--vk-radius) var(--vk-radius);
    border-top: none;
}
.vk-link-row i.fa-chevron-right {
    margin-left: auto;
    font-size: 0.7rem;
    color: var(--vk-muted);
}

/* Page header bar */
.vk-page-bar {
    background: var(--vk-dark);
    margin: 0 -1rem;
    padding: 0.9rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: #fff;
}
.vk-page-bar a {
    color: rgba(255,255,255,0.85);
    text-decoration: none;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    transition: background 0.15s;
    flex-shrink: 0;
}
.vk-page-bar a:hover,
.vk-page-bar a:active {
    color: #fff;
    background: rgba(255,255,255,0.2);
}
.vk-page-title {
    font-size: 1rem;
    font-weight: 600;
    color: #fff;
}

/* Form card */
.vk-form-card {
    background: var(--vk-white);
    border-radius: var(--vk-radius);
    border: 1px solid var(--vk-border);
    padding: 1.25rem;
}
.vk-form-card label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--vk-dark);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    margin-bottom: 0.3rem;
}
.vk-form-card .form-control {
    border: 1px solid var(--vk-border);
    border-radius: 0.5rem;
    padding: 0.55rem 0.75rem;
    font-size: 0.9rem;
    color: var(--vk-dark);
    background: var(--vk-white);
}
.vk-form-card .form-control:focus {
    border-color: var(--vk-mid);
    box-shadow: 0 0 0 2px rgba(30,41,59,0.08);
}
.vk-btn-submit {
    background: var(--vk-dark);
    border: none;
    color: #fff;
    border-radius: 0.5rem;
    padding: 0.7rem;
    font-weight: 600;
    font-size: 0.95rem;
    width: 100%;
    transition: background 0.12s;
}
.vk-btn-submit:hover { background: var(--vk-mid); }
.vk-btn-submit:active { background: #1e2d4a; }

/* Selected work display */
.vk-selected-work {
    background: var(--vk-light);
    border: 1px dashed var(--vk-border);
    border-radius: 0.5rem;
    padding: 0.75rem 1rem;
    margin-bottom: 1rem;
}
.vk-selected-work .vk-work-name {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--vk-dark);
}
.vk-selected-work .vk-work-num {
    font-size: 0.85rem;
    color: var(--vk-muted);
}

/* Entry cards */
.vk-entry-card {
    background: var(--vk-white);
    border-radius: var(--vk-radius);
    border: 1px solid var(--vk-border);
    overflow: hidden;
}
.vk-entry-header {
    background: #e2e8f0;
    padding: 0.65rem 1rem;
    border-bottom: 1px solid #cbd5e1;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--vk-dark);
}
.vk-entry-body {
    padding: 0.75rem 1rem;
}
.vk-entry-row {
    display: flex;
    justify-content: space-between;
    padding: 0.35rem 0;
    font-size: 0.9rem;
    color: var(--vk-dark);
    border-bottom: 1px solid var(--vk-light);
}
.vk-entry-row:last-child { border-bottom: none; }
.vk-entry-row span:first-child {
    font-weight: 600;
    color: var(--vk-dark);
    font-size: 0.85rem;
}
.vk-entry-actions {
    display: flex;
    border-top: 1px solid var(--vk-border);
}
.vk-entry-actions a,
.vk-entry-actions span {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.65rem;
    font-size: 0.85rem;
    font-weight: 600;
    text-decoration: none;
    color: var(--vk-mid);
    transition: background 0.1s;
}
.vk-entry-actions a:hover { background: var(--vk-light); color: var(--vk-dark); }
.vk-entry-actions a + a { border-left: 1px solid var(--vk-border); }
.vk-entry-actions .vk-approved {
    color: #15803d;
    font-size: 0.85rem;
}

/* Time section separator */
.vk-time-section {
    background: #e2e8f0;
    border: 1px solid #cbd5e1;
    border-radius: 0.5rem;
    padding: 0.85rem;
}
.vk-time-label {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--vk-dark);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    margin-bottom: 0.4rem;
    display: block;
}
.vk-quick-btn {
    background: var(--vk-white);
    border: 1px solid var(--vk-border);
    border-radius: 0.4rem;
    padding: 0.35rem 0.7rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--vk-dark);
    cursor: pointer;
    transition: all 0.1s;
    line-height: 1.3;
}
.vk-quick-btn:hover {
    background: var(--vk-dark);
    color: var(--vk-white);
    border-color: var(--vk-dark);
}
.vk-quick-btn:active {
    background: #1e2d4a;
    color: var(--vk-white);
}

/* Choose-work button */
.vk-choose-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    padding: 0.7rem;
    border-radius: 0.5rem;
    border: 1px solid var(--vk-border);
    background: var(--vk-white);
    color: var(--vk-dark);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: background 0.1s;
}
.vk-choose-btn:hover {
    background: var(--vk-light);
    color: var(--vk-dark);
    text-decoration: none;
}

/* Stamp buttons */
.vk-stamp-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    width: 100%;
    padding: 1.25rem;
    border-radius: var(--vk-radius);
    border: none;
    color: #fff;
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 0.01em;
    transition: all 0.15s ease;
}
.vk-stamp-btn:hover {
    color: #fff;
    text-decoration: none;
    transform: translateY(-1px);
}
.vk-stamp-btn:active {
    transform: translateY(0);
}
.vk-stamp-btn--in {
    background: #16a34a;
    box-shadow: 0 4px 12px rgba(22, 163, 74, 0.3);
}
.vk-stamp-btn--in:hover {
    background: #15803d;
    box-shadow: 0 6px 16px rgba(22, 163, 74, 0.4);
}
.vk-stamp-btn--out {
    background: #dc2626;
    box-shadow: 0 4px 12px rgba(220, 38, 38, 0.3);
}
.vk-stamp-btn--out:hover {
    background: #b91c1c;
    box-shadow: 0 6px 16px rgba(220, 38, 38, 0.4);
}

.vk-stamp-entry {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    background: var(--vk-white);
    border: 1px solid var(--vk-border);
    border-radius: var(--vk-radius);
}
.vk-stamp-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}
.vk-stamp-type {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--vk-dark);
}
.vk-stamp-date {
    font-size: 0.85rem;
    color: var(--vk-muted);
}
.vk-stamp-time {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--vk-dark);
}

/* Login page */
.vk-login-page {
    background: var(--vk-dark) !important;
    height: 100vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    padding-bottom: 0 !important;
}

.vk-login-wrapper {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.vk-login-card {
    background: #fff;
    border-radius: 1rem;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    width: 100%;
    max-width: 420px;
    padding: 2.5rem 2.25rem 2rem;
}

.vk-login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.vk-login-logo {
    margin-bottom: 1rem;
}

.vk-login-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--vk-dark);
    margin-bottom: 0.35rem;
    letter-spacing: -0.02em;
}

.vk-login-subtitle {
    font-size: 0.9rem;
    color: var(--vk-muted);
    margin-bottom: 0;
}

.vk-login-alert .alert {
    border-radius: 0.6rem;
    font-size: 0.9rem;
    font-weight: 500;
    border: none;
    margin-bottom: 1.25rem;
}

.vk-login-form .form-control {
    border-radius: 0.6rem;
    border: 1.5px solid #e5e7eb;
    padding: 0.85rem 0.9rem;
    font-size: 0.95rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.vk-login-form .form-control:focus {
    border-color: var(--vk-accent);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.vk-login-form .form-floating label {
    color: #9ca3af;
}

.vk-btn-login {
    background: var(--vk-dark);
    color: #fff;
    border: none;
    border-radius: 0.6rem;
    padding: 0.75rem 1.5rem;
    font-size: 1.05rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    transition: all 0.2s ease;
}

.vk-btn-login:hover {
    background: var(--vk-accent);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.35);
}

.vk-btn-login:active {
    transform: translateY(0);
}

.vk-forgot-link {
    color: var(--vk-muted);
    font-size: 0.9rem;
    text-decoration: none;
}

.vk-forgot-link:hover {
    color: var(--vk-accent);
}

.vk-login-footer {
    text-align: center;
    margin-top: 1.75rem;
    padding-top: 1.25rem;
    border-top: 1px solid #f3f4f6;
    font-size: 0.8rem;
    color: #9ca3af;
    letter-spacing: 0.03em;
}

/* Flatpickr overrides */
.flatpickr-calendar {
    position: fixed !important;
    top: 50% !important;
    left: 50% !important;
    transform: translate(-50%, -50%) !important;
    width: calc(100vw - 2rem) !important;
    max-width: 380px;
    border-radius: var(--vk-radius) !important;
    box-shadow: 0 8px 30px rgba(0,0,0,0.2) !important;
    z-index: 10001 !important;
}
.flatpickr-months {
    padding: 0.25rem 0;
}
.flatpickr-months .flatpickr-month {
    height: 40px;
}
.flatpickr-current-month {
    font-size: 1.1rem !important;
    padding-top: 6px;
}
.flatpickr-days {
    width: 100% !important;
}
.dayContainer {
    width: 100% !important;
    min-width: 100% !important;
    max-width: 100% !important;
}
.flatpickr-day {
    max-width: none !important;
    height: 44px !important;
    line-height: 44px !important;
    font-size: 1rem !important;
}
span.flatpickr-weekday {
    font-size: 0.85rem !important;
    font-weight: 600;
}
.flatpickr-prev-month,
.flatpickr-next-month {
    padding: 8px 12px !important;
}
.flatpickr-prev-month svg,
.flatpickr-next-month svg {
    width: 16px !important;
    height: 16px !important;
}
.flatpickr-backdrop {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.35);
    z-index: 10000;
}

/* Toast notification */
.vk-toast {
    position: fixed;
    top: 1.5rem;
    left: 50%;
    transform: translateX(-50%);
    background: #16a34a;
    color: #fff;
    padding: 1rem 2rem;
    border-radius: var(--vk-radius);
    font-size: 1.1rem;
    font-weight: 600;
    box-shadow: 0 6px 20px rgba(0,0,0,0.25);
    z-index: 11000;
    opacity: 0;
    transition: opacity 0.3s, transform 0.3s;
    pointer-events: none;
    max-width: calc(100vw - 2rem);
    width: calc(100vw - 2rem);
    text-align: center;
}
.vk-toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}
.vk-toast.hide {
    opacity: 0;
    transform: translateX(-50%) translateY(-1rem);
}