/* ================================================================
   Attendance Checker — CRM Style v8
   Clean table-based design
   ================================================================ */

:root {
    --atck-white: #ffffff;
    --atck-gray-50: #fafafa;
    --atck-gray-100: #f5f5f5;
    --atck-gray-200: #e5e5e5;
    --atck-gray-300: #d4d4d4;
    --atck-gray-400: #a3a3a3;
    --atck-gray-500: #737373;
    --atck-gray-600: #525252;
    --atck-gray-700: #404040;
    --atck-gray-800: #262626;
    --atck-gray-900: #171717;
    
    --atck-green-50: #f0fdf4;
    --atck-green-100: #dcfce7;
    --atck-green-500: #22c55e;
    --atck-green-600: #16a34a;
    --atck-green-700: #15803d;
    
    --atck-yellow-50: #fefce8;
    --atck-yellow-100: #fef9c3;
    --atck-yellow-500: #eab308;
    --atck-yellow-600: #ca8a04;
    
    --atck-blue-50: #eff6ff;
    --atck-blue-100: #dbeafe;
    --atck-blue-500: #3b82f6;
    --atck-blue-600: #2563eb;
    
    --atck-red-50: #fef2f2;
    --atck-red-500: #ef4444;
    --atck-red-600: #dc2626;
    
    --atck-purple-50: #faf5ff;
    --atck-purple-100: #f3e8ff;
    --atck-purple-500: #a855f7;
    --atck-purple-600: #9333ea;
}

/* Reset */
#atck-app *, #atck-app *::before, #atck-app *::after {
    box-sizing: border-box;
}

#atck-app {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 14px;
    line-height: 1.5;
    color: var(--atck-gray-900);
    background: var(--atck-white);
    border: 1px solid var(--atck-gray-200);
    border-radius: 8px;
    overflow: hidden;
    /* Prevent zoom on mobile */
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
    touch-action: manipulation;
}

/* Screens */
.atck-screen { display: none; }
.atck-screen--active { display: block; }

/* ================================================================
   LOGIN
   ================================================================ */
#atck-screen-login {
    min-height: 500px;
    display: none;
    align-items: center;
    justify-content: center;
    background: var(--atck-gray-50);
}
#atck-screen-login.atck-screen--active {
    display: flex;
}

.atck-login-card {
    width: 100%;
    max-width: 360px;
    background: var(--atck-white);
    border: 1px solid var(--atck-gray-200);
    border-radius: 8px;
    padding: 32px;
    margin: 24px;
}

.atck-login-card h1 {
    font-size: 18px;
    font-weight: 600;
    color: var(--atck-gray-900);
    margin-bottom: 4px;
}

.atck-login-card > p {
    font-size: 13px;
    color: var(--atck-gray-500);
    margin-bottom: 24px;
}

.atck-field {
    margin-bottom: 16px;
}

.atck-field label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--atck-gray-700);
    margin-bottom: 6px;
}

.atck-input-wrap {
    position: relative;
}

.atck-input {
    width: 100%;
    padding: 8px 36px 8px 12px;
    font-size: 14px;
    font-family: inherit;
    color: var(--atck-gray-900);
    background: var(--atck-white);
    border: 1px solid var(--atck-gray-300);
    border-radius: 6px;
    outline: none;
    transition: border-color 0.15s, box-shadow 0.15s;
}

.atck-input:focus {
    border-color: var(--atck-green-500);
    box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.1);
}

.atck-input::placeholder {
    color: var(--atck-gray-400);
}

.atck-toggle-pw {
    position: absolute;
    right: 4px;
    top: 50%;
    transform: translateY(-50%);
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    color: var(--atck-gray-400);
    cursor: pointer;
    border-radius: 4px;
}

.atck-toggle-pw:hover {
    color: var(--atck-gray-600);
}

.atck-toggle-pw svg {
    width: 16px;
    height: 16px;
}

.atck-checkbox-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 20px;
}

.atck-checkbox-row input {
    width: 16px;
    height: 16px;
    accent-color: var(--atck-green-500);
}

.atck-checkbox-row span {
    font-size: 13px;
    color: var(--atck-gray-600);
}

.atck-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 500;
    font-family: inherit;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.15s;
    border: none;
}

.atck-btn--primary {
    width: 100%;
    background: var(--atck-green-500);
    color: white;
}

.atck-btn--primary:hover {
    background: var(--atck-green-600);
}

.atck-btn--primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.atck-btn-spinner {
    width: 14px;
    height: 14px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: atck-spin 0.6s linear infinite;
}

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

.atck-login-error {
    margin-top: 16px;
    padding: 10px 12px;
    background: var(--atck-red-50);
    border-radius: 6px;
    color: var(--atck-red-600);
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.atck-login-error svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

/* ================================================================
   APP HEADER
   ================================================================ */
.atck-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    border-bottom: 1px solid var(--atck-gray-200);
    background: var(--atck-white);
}

.atck-header-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--atck-gray-900);
}

.atck-header-subtitle {
    font-size: 13px;
    color: var(--atck-gray-500);
    margin-left: 8px;
}

.atck-header-spacer {
    flex: 1;
}

.atck-header-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    font-size: 13px;
    font-weight: 500;
    color: var(--atck-gray-600);
    background: var(--atck-white);
    border: 1px solid var(--atck-gray-300);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.15s;
}

.atck-header-btn:hover {
    background: var(--atck-gray-50);
    border-color: var(--atck-gray-400);
}

.atck-header-btn svg {
    width: 14px;
    height: 14px;
}

.atck-header-badge {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    font-size: 13px;
    font-weight: 500;
    color: var(--atck-green-700);
    background: var(--atck-green-100);
    border-radius: 16px;
}

.atck-header-badge svg {
    width: 14px;
    height: 14px;
}

/* ================================================================
   TABS BAR
   ================================================================ */
.atck-tabs-bar {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 0 20px;
    border-bottom: 1px solid var(--atck-gray-200);
    background: var(--atck-white);
}

.atck-tab {
    padding: 12px 16px;
    font-size: 13px;
    font-weight: 500;
    color: var(--atck-gray-500);
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    transition: all 0.15s;
    margin-bottom: -1px;
}

.atck-tab:hover {
    color: var(--atck-gray-700);
}

.atck-tab--active {
    color: var(--atck-gray-900);
    border-bottom-color: var(--atck-green-500);
}

.atck-tab-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 20px;
    height: 20px;
    padding: 0 6px;
    margin-left: 6px;
    font-size: 11px;
    font-weight: 600;
    background: var(--atck-gray-100);
    border-radius: 10px;
    color: var(--atck-gray-600);
}

.atck-tab--active .atck-tab-count {
    background: var(--atck-green-100);
    color: var(--atck-green-700);
}

/* ================================================================
   TOOLBAR
   ================================================================ */
.atck-toolbar {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    border-bottom: 1px solid var(--atck-gray-200);
    background: var(--atck-white);
}

.atck-search-box {
    position: relative;
    width: 220px;
}

.atck-search-box svg {
    position: absolute;
    left: 10px;
    top: 50%;
    transform: translateY(-50%);
    width: 14px;
    height: 14px;
    color: var(--atck-gray-400);
    pointer-events: none;
}

.atck-search-input {
    width: 100%;
    padding: 6px 10px 6px 32px;
    font-size: 13px;
    font-family: inherit;
    color: var(--atck-gray-900);
    background: var(--atck-white);
    border: 1px solid var(--atck-gray-300);
    border-radius: 6px;
    outline: none;
}

.atck-search-input:focus {
    border-color: var(--atck-green-500);
}

/* Prevent iOS zoom on input focus */
@media (max-width: 768px) {
    .atck-input,
    .atck-search-input {
        font-size: 16px !important;
    }
}

.atck-search-input::placeholder {
    color: var(--atck-gray-400);
}

.atck-search-clear {
    position: absolute;
    right: 6px;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    display: none;
    align-items: center;
    justify-content: center;
    background: var(--atck-gray-200);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    color: var(--atck-gray-600);
}

.atck-search-clear.visible { display: flex; }

.atck-search-clear svg {
    position: static;
    transform: none;
    width: 10px;
    height: 10px;
    color: inherit;
}

.atck-toolbar-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    font-size: 13px;
    font-weight: 500;
    color: var(--atck-gray-600);
    background: var(--atck-white);
    border: 1px solid var(--atck-gray-300);
    border-radius: 6px;
    cursor: pointer;
}

.atck-toolbar-btn:hover {
    background: var(--atck-gray-50);
}

.atck-toolbar-btn svg {
    width: 14px;
    height: 14px;
}

/* ================================================================
   TABLE
   ================================================================ */
.atck-table-wrap {
    overflow-x: auto;
}

.atck-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.atck-table th {
    padding: 10px 16px;
    font-size: 12px;
    font-weight: 500;
    color: var(--atck-gray-500);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: var(--atck-gray-50);
    border-bottom: 1px solid var(--atck-gray-200);
    text-align: left;
    white-space: nowrap;
}

.atck-table th:first-child {
    padding-left: 20px;
}

.atck-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--atck-gray-100);
    vertical-align: middle;
}

.atck-table td:first-child {
    padding-left: 20px;
}

.atck-table tbody tr:hover {
    background: var(--atck-gray-50);
}

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

/* Row number */
.atck-row-num {
    color: var(--atck-gray-400);
    font-size: 12px;
    width: 40px;
}

/* Participant cell */
.atck-participant-cell {
    display: flex;
    align-items: center;
    gap: 10px;
}

.atck-avatar {
    width: 28px;
    height: 28px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 600;
    flex-shrink: 0;
}

.atck-avatar--green { background: var(--atck-green-100); color: var(--atck-green-700); }
.atck-avatar--blue { background: var(--atck-blue-100); color: var(--atck-blue-600); }
.atck-avatar--purple { background: var(--atck-purple-100); color: var(--atck-purple-600); }
.atck-avatar--yellow { background: var(--atck-yellow-100); color: var(--atck-yellow-600); }

.atck-participant-name {
    font-weight: 500;
    color: var(--atck-gray-900);
}

/* Status badge */
.atck-status {
    display: inline-flex;
    align-items: center;
    padding: 3px 8px;
    font-size: 12px;
    font-weight: 500;
    border-radius: 4px;
}

.atck-status--active {
    background: var(--atck-green-100);
    color: var(--atck-green-700);
}

.atck-status--absent {
    background: var(--atck-red-50);
    color: var(--atck-red-600);
}

.atck-status--pending {
    background: var(--atck-yellow-100);
    color: var(--atck-yellow-600);
}

.atck-status--inactive {
    background: var(--atck-gray-100);
    color: var(--atck-gray-600);
}

/* Action buttons */
.atck-action-btns {
    display: flex;
    gap: 6px;
}

.atck-action-btn {
    padding: 5px 10px;
    font-size: 12px;
    font-weight: 500;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.15s;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.atck-action-btn--yes {
    background: var(--atck-green-500);
    color: white;
    border: none;
}

.atck-action-btn--yes:hover {
    background: var(--atck-green-600);
}

.atck-action-btn--no {
    background: var(--atck-white);
    color: var(--atck-red-600);
    border: 1px solid var(--atck-red-500);
}

.atck-action-btn--no:hover {
    background: var(--atck-red-50);
}

.atck-action-btn--done-yes {
    background: var(--atck-green-50);
    color: var(--atck-green-600);
    border: 1px solid var(--atck-green-200);
    cursor: default;
}

.atck-action-btn--done-no {
    background: var(--atck-red-50);
    color: var(--atck-red-600);
    border: 1px solid var(--atck-red-200);
    cursor: default;
}

.atck-action-btn svg {
    width: 12px;
    height: 12px;
}

.atck-action-btn .atck-btn-spinner {
    width: 12px;
    height: 12px;
    border-width: 2px;
}

/* Range badge (like employee range) */
.atck-range-badge {
    display: inline-flex;
    padding: 3px 8px;
    font-size: 12px;
    font-weight: 500;
    border-radius: 4px;
    background: var(--atck-green-100);
    color: var(--atck-green-700);
}

/* ================================================================
   EVENTS LIST (also table style)
   ================================================================ */
.atck-event-row {
    cursor: pointer;
}

.atck-event-row:hover {
    background: var(--atck-gray-50);
}

.atck-event-cell {
    display: flex;
    align-items: center;
    gap: 10px;
}

.atck-event-icon {
    width: 28px;
    height: 28px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    flex-shrink: 0;
}

.atck-event-title {
    font-weight: 500;
    color: var(--atck-gray-900);
}

/* ================================================================
   LOADING & EMPTY
   ================================================================ */
.atck-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    color: var(--atck-gray-500);
}

.atck-loading .atck-spinner {
    width: 24px;
    height: 24px;
    border: 2px solid var(--atck-gray-200);
    border-top-color: var(--atck-green-500);
    border-radius: 50%;
    animation: atck-spin 0.7s linear infinite;
    margin-bottom: 12px;
}

.atck-loading p {
    font-size: 13px;
}

.atck-empty {
    text-align: center;
    padding: 60px 20px;
}

.atck-empty-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 12px;
    background: var(--atck-gray-100);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--atck-gray-400);
}

.atck-empty-icon svg {
    width: 24px;
    height: 24px;
}

.atck-empty h3 {
    font-size: 14px;
    font-weight: 600;
    color: var(--atck-gray-900);
    margin-bottom: 4px;
}

.atck-empty p {
    font-size: 13px;
    color: var(--atck-gray-500);
}

.atck-error-msg {
    text-align: center;
    padding: 40px 20px;
    color: var(--atck-red-600);
    font-size: 13px;
}

/* ================================================================
   TOAST
   ================================================================ */
#atck-toast {
    position: fixed;
    bottom: 20px;
    right: 20px;
    padding: 10px 16px;
    background: var(--atck-gray-900);
    color: white;
    border-radius: 6px;
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 8px;
    transform: translateY(80px);
    opacity: 0;
    transition: all 0.25s ease;
    z-index: 10000;
}

#atck-toast.show {
    transform: translateY(0);
    opacity: 1;
}

#atck-toast.toast-success { background: var(--atck-green-600); }
#atck-toast.toast-error { background: var(--atck-red-600); }

#atck-toast svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

/* ================================================================
   MOBILE CARDS VIEW
   ================================================================ */
@media (max-width: 768px) {
    #atck-app {
        border-radius: 0;
        border-left: none;
        border-right: none;
    }

    /* Header mobile */
    .atck-header {
        padding: 12px 16px;
        gap: 8px;
    }
    
    .atck-header-title {
        font-size: 14px;
        flex: 1;
        min-width: 0;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }
    
    .atck-header-btn {
        padding: 6px 10px;
    }
    
    .atck-header-btn span {
        display: none;
    }
    
    .atck-header-badge {
        font-size: 12px;
        padding: 3px 8px;
    }

    /* Tabs mobile */
    .atck-tabs-bar {
        padding: 0 12px;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }
    
    .atck-tabs-bar::-webkit-scrollbar {
        display: none;
    }
    
    .atck-tab {
        padding: 10px 12px;
        font-size: 13px;
        white-space: nowrap;
    }
    
    .atck-tab-count {
        font-size: 10px;
        padding: 1px 5px;
    }

    /* Toolbar mobile */
    .atck-toolbar {
        padding: 12px 16px;
        gap: 8px;
    }
    
    .atck-search-box {
        width: 100%;
        order: -1;
    }
    
    .atck-toolbar-btn {
        flex: 1;
        justify-content: center;
    }

    /* Hide table on mobile */
    .atck-table-wrap {
        display: none !important;
    }

    /* Show cards on mobile */
    .atck-cards-list {
        display: flex !important;
        flex-direction: column;
        gap: 12px;
        padding: 16px;
    }

    /* Card style */
    .atck-card {
        background: var(--atck-white);
        border: 1px solid var(--atck-gray-200);
        border-radius: 12px;
        padding: 16px;
    }

    .atck-card-header {
        display: flex;
        align-items: center;
        gap: 12px;
        margin-bottom: 12px;
    }

    .atck-card .atck-avatar {
        width: 40px;
        height: 40px;
        font-size: 14px;
    }

    .atck-card-info {
        flex: 1;
        min-width: 0;
    }

    .atck-card-name {
        font-size: 15px;
        font-weight: 600;
        color: var(--atck-gray-900);
        margin-bottom: 2px;
    }

    .atck-card-email {
        font-size: 13px;
        color: var(--atck-gray-500);
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .atck-card-meta {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 8px;
        margin-bottom: 12px;
        padding-bottom: 12px;
        border-bottom: 1px solid var(--atck-gray-100);
    }

    .atck-card-cargo {
        font-size: 13px;
        color: var(--atck-gray-600);
    }

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

    .atck-card-actions .atck-action-btn {
        flex: 1;
        justify-content: center;
        padding: 10px 16px;
        font-size: 14px;
    }

    /* Events cards */
    .atck-events-table {
        display: none !important;
    }

    .atck-events-cards {
        display: flex !important;
        flex-direction: column;
        gap: 12px;
        padding: 16px;
    }

    .atck-event-card {
        background: var(--atck-white);
        border: 1px solid var(--atck-gray-200);
        border-radius: 12px;
        padding: 16px;
        display: flex;
        align-items: center;
        gap: 12px;
        cursor: pointer;
        transition: all 0.15s;
    }

    .atck-event-card:hover,
    .atck-event-card:active {
        border-color: var(--atck-green-500);
        background: var(--atck-green-50);
    }

    .atck-event-card .atck-event-icon {
        width: 44px;
        height: 44px;
        font-size: 20px;
    }

    .atck-event-card-info {
        flex: 1;
        min-width: 0;
    }

    .atck-event-card-title {
        font-size: 15px;
        font-weight: 600;
        color: var(--atck-gray-900);
        margin-bottom: 4px;
        line-height: 1.3;
    }

    .atck-event-card-meta {
        font-size: 13px;
        color: var(--atck-gray-500);
        display: flex;
        align-items: center;
        gap: 4px;
    }

    .atck-event-card-meta svg {
        width: 14px;
        height: 14px;
    }

    .atck-event-card-arrow {
        color: var(--atck-gray-400);
    }

    .atck-event-card-arrow svg {
        width: 20px;
        height: 20px;
    }

    /* Toast mobile */
    #atck-toast {
        left: 16px;
        right: 16px;
        bottom: 16px;
    }

    /* Loading/Empty states */
    .atck-loading, .atck-empty {
        padding: 40px 20px;
    }
}

/* Desktop: hide cards, show table */
@media (min-width: 769px) {
    .atck-cards-list,
    .atck-events-cards {
        display: none !important;
    }
}