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

/* === DESIGN TOKENS === */
:root {
    --bg-primary:    #0f172a;
    --bg-secondary:  #1e293b;
    --bg-tertiary:   #334155;
    --bg-hover:      #475569;
    --border:        #334155;
    --border-light:  #475569;
    --text-primary:  #f1f5f9;
    --text-secondary:#94a3b8;
    --text-muted:    #64748b;
    --accent:        #3b82f6;
    --accent-hover:  #2563eb;
    --success:       #22c55e;
    --danger:        #ef4444;
    --danger-hover:  #dc2626;
    --warning:       #f59e0b;
    --sidebar-width: 280px;
    --radius:        6px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    height: 100vh;
    overflow: hidden;
    display: flex;
}

/* ==============================
   LOGIN PAGE
============================== */

body.login-page {
    align-items: center;
    justify-content: center;
    overflow: auto;
    height: 100%;
    min-height: 100vh;
}

.login-container {
    width: 100%;
    max-width: 380px;
    padding: 20px;
}

.login-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    padding: 32px;
}

.login-logo {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 28px;
}

.login-logo .logo-icon {
    width: 46px;
    height: 46px;
    background: var(--accent);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    flex-shrink: 0;
    color: white;
}

.login-logo .logo-text {
    font-size: 18px;
    font-weight: 700;
    line-height: 1.2;
}

.login-logo .logo-sub {
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 3px;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.login-form .form-group label {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: none;
    letter-spacing: 0;
    margin-bottom: 6px;
    display: block;
}

.login-form input {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 14px;
    padding: 10px 12px;
    width: 100%;
    transition: border-color 0.15s, box-shadow 0.15s;
}

.login-form input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.login-form input::placeholder {
    color: var(--text-muted);
}

.login-form .btn-primary {
    padding: 11px;
    font-size: 14px;
    font-weight: 600;
    margin-top: 4px;
}

.error-msg {
    color: var(--danger);
    font-size: 13px;
    background: rgba(239, 68, 68, 0.08);
    border: 1px solid rgba(239, 68, 68, 0.25);
    border-radius: var(--radius);
    padding: 9px 12px;
}

/* ==============================
   MAIN APP LAYOUT
============================== */

.sidebar {
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    z-index: 100;
}

.sidebar-header {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border);
    background: var(--bg-primary);
    flex-shrink: 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
}

.logo-icon {
    width: 30px;
    height: 30px;
    background: var(--accent);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    flex-shrink: 0;
    color: white;
}

.logo-text {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    line-height: 1.2;
}

.logo-sub {
    font-size: 9px;
    color: var(--text-muted);
    letter-spacing: 1.5px;
    text-transform: uppercase;
    margin-top: 2px;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    background: var(--bg-secondary);
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.user-avatar {
    width: 30px;
    height: 30px;
    background: var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 12px;
    flex-shrink: 0;
    color: white;
}

.user-details {
    display: flex;
    flex-direction: column;
    min-width: 0;
    flex: 1;
}

.user-name {
    font-size: 12px;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.3;
}

.user-rank {
    font-size: 10px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    line-height: 1.3;
}

/* === SIDEBAR CONTENT === */

.sidebar-content {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 8px;
}

.sidebar-content::-webkit-scrollbar { width: 4px; }
.sidebar-content::-webkit-scrollbar-track { background: transparent; }
.sidebar-content::-webkit-scrollbar-thumb {
    background: var(--border-light);
    border-radius: 2px;
}

.section-label {
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    padding: 8px 10px 4px;
}

/* === COLLAPSIBLE === */

.collapsible {
    margin-bottom: 2px;
}

.collapsible-btn {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 9px 10px;
    background: transparent;
    border: none;
    border-radius: var(--radius);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    text-align: left;
    transition: background 0.15s, color 0.15s;
}

.collapsible-btn:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.collapsible-btn.active {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
}

.btn-icon {
    font-size: 13px;
    color: var(--accent);
    flex-shrink: 0;
}

.chevron {
    margin-left: auto;
    font-size: 10px;
    color: var(--text-muted);
    transition: transform 0.2s ease;
}

.collapsible-btn.active .chevron {
    transform: rotate(180deg);
}

.collapsible-content {
    display: none;
    padding: 10px 8px 8px;
    background: rgba(15, 23, 42, 0.4);
    border: 1px solid var(--border);
    border-top: none;
    border-radius: 0 0 var(--radius) var(--radius);
}

.collapsible-content.open {
    display: block;
}

/* === FORMS === */

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px;
    margin-bottom: 6px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-bottom: 6px;
}

.form-group:last-of-type {
    margin-bottom: 0;
}

.form-group label {
    font-size: 10px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group input {
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: 4px;
    color: var(--text-primary);
    font-size: 12px;
    padding: 5px 8px;
    transition: border-color 0.15s;
    width: 100%;
}

.form-group input:focus {
    outline: none;
    border-color: var(--accent);
}

.form-group input::placeholder {
    color: var(--text-muted);
}

.weapon-select {
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: 4px;
    color: var(--text-primary);
    font-size: 12px;
    padding: 5px 8px;
    width: 100%;
    transition: border-color 0.15s;
    cursor: pointer;
}

.weapon-select:focus {
    outline: none;
    border-color: var(--accent);
}

/* === BUTTONS === */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 7px 12px;
    border-radius: var(--radius);
    border: none;
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.15s, opacity 0.15s;
    text-align: center;
    line-height: 1;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary              { background: var(--accent); color: white; }
.btn-primary:hover:not(:disabled) { background: var(--accent-hover); }

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

.btn-danger               { background: var(--danger); color: white; }
.btn-danger:hover:not(:disabled) { background: var(--danger-hover); }

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

.btn-full  { width: 100%; margin-top: 8px; }
.btn-sm    { padding: 4px 10px; font-size: 11px; border-radius: 4px; }

/* === SIDEBAR FOOTER === */

.sidebar-footer {
    padding: 12px;
    border-top: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    gap: 6px;
    flex-shrink: 0;
}

/* ==============================
   MAP AREA
============================== */

.map-container {
    flex: 1;
    position: relative;
    overflow: hidden;
}

#map {
    position: absolute;
    inset: 0;
    display: block;    /* <canvas> is inline by default */
    cursor: crosshair;
}

.map-coords {
    position: absolute;
    bottom: 32px;
    right: 10px;
    background: rgba(15, 23, 42, 0.85);
    border: 1px solid var(--border-light);
    border-radius: var(--radius);
    padding: 5px 10px;
    font-size: 11px;
    color: var(--text-secondary);
    z-index: 1000;
    font-family: 'Courier New', monospace;
    display: flex;
    gap: 14px;
    backdrop-filter: blur(4px);
    pointer-events: auto;
    cursor: pointer;
    transition: border-color 0.15s;
}

.map-coords:hover {
    border-color: var(--accent);
    color: var(--text-primary);
}

/* ==============================
   TOAST NOTIFICATIONS
============================== */

#toast-container {
    position: fixed;
    top: 16px;
    right: 16px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 8px;
    pointer-events: none;
}

.toast {
    background: var(--bg-secondary);
    color: var(--text-primary);
    padding: 10px 14px;
    border-radius: 8px;
    border-left: 3px solid var(--border-light);
    font-size: 13px;
    min-width: 200px;
    max-width: 300px;
    opacity: 0;
    transform: translateX(20px);
    transition: opacity 0.25s ease, transform 0.25s ease;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.5);
    pointer-events: auto;
}

.toast.show {
    opacity: 1;
    transform: translateX(0);
}

.toast-success { border-left-color: var(--success); }
.toast-error   { border-left-color: var(--danger); }
.toast-warning { border-left-color: var(--warning); }
.toast-info    { border-left-color: var(--accent); }

/* ==============================
   CANVAS POPUP
============================== */

.map-popup {
    position: fixed;
    z-index: 2000;
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: 10px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
    min-width: 210px;
    max-width: 280px;
    overflow: hidden;
}

.popup-close-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 13px;
    cursor: pointer;
    line-height: 1;
    padding: 2px 4px;
    border-radius: 3px;
    transition: color 0.15s, background 0.15s;
}

.popup-close-btn:hover {
    color: var(--text-primary);
    background: var(--bg-hover);
}

.popup-card {
    padding: 14px;
}

.popup-title {
    font-size: 13px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 10px;
    padding-right: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.popup-body {
    margin-bottom: 10px;
}

.popup-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 4px 0;
    font-size: 12px;
    border-bottom: 1px solid var(--border);
    gap: 8px;
    color: var(--text-primary);
}

.popup-row:last-child {
    border-bottom: none;
}

.popup-label {
    font-weight: 600;
    color: var(--text-muted);
    white-space: nowrap;
}

.popup-actions {
    display: flex;
    gap: 6px;
    padding-top: 4px;
}

.badge {
    font-size: 10px;
    padding: 2px 8px;
    border-radius: 10px;
    font-weight: 600;
}

.badge-active   { background: rgba(34,197,94,0.15);  color: #4ade80; }
.badge-inactive { background: rgba(148,163,184,0.12); color: var(--text-muted); }

/* Export light toggle in popup */
.export-toggle {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 11px;
    color: var(--text-muted);
    cursor: pointer;
    user-select: none;
}

.export-toggle input[type="checkbox"] {
    accent-color: var(--accent);
    width: 12px;
    height: 12px;
}

/* ==============================
   SECTION HINT (click-to-place)
============================== */

.section-hint {
    font-size: 9px;
    font-weight: 600;
    color: var(--accent);
    text-transform: none;
    letter-spacing: 0;
    margin-left: 4px;
}

/* ==============================
   MEASURE TOOL
============================== */

.measure-result {
    position: absolute;
    bottom: 58px;
    right: 10px;
    background: rgba(15, 23, 42, 0.92);
    border: 1px solid #f59e0b;
    border-radius: var(--radius);
    padding: 6px 12px;
    font-size: 12px;
    font-family: 'Courier New', monospace;
    color: #fcd34d;
    z-index: 1000;
    pointer-events: none;
    backdrop-filter: blur(4px);
}

#measure-btn.active {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}

/* ==============================
   SECTORS LIST
============================== */

.sectors-empty {
    padding: 10px;
    font-size: 12px;
    color: var(--text-muted);
    text-align: center;
}

.sector-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 7px 8px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
    transition: background 0.15s;
    gap: 6px;
}

.sector-row:hover {
    background: var(--bg-tertiary);
}

.sector-row-label {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--text-secondary);
}

/* ==============================
   SNAPSHOT LIST
============================== */

.snapshot-bar {
    display: flex;
    gap: 6px;
    margin-bottom: 8px;
}

.snapshot-input {
    flex: 1;
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: 4px;
    color: var(--text-primary);
    font-size: 12px;
    padding: 4px 8px;
    transition: border-color 0.15s;
}

.snapshot-input:focus {
    outline: none;
    border-color: var(--accent);
}

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

.snapshot-row {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 5px 4px;
    border-radius: 4px;
    transition: background 0.15s;
}

.snapshot-row:hover {
    background: var(--bg-tertiary);
}

.snapshot-row-name {
    flex: 1;
    cursor: pointer;
    font-size: 12px;
    color: var(--text-secondary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.snapshot-row-name:hover {
    color: var(--text-primary);
}

/* ==============================
   INPUT FLASH (click-to-place)
============================== */

@keyframes input-flash {
    0%   { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(59,130,246,0.35); }
    100% { border-color: var(--border-light); box-shadow: none; }
}

.input-flash {
    animation: input-flash 0.8s ease forwards;
}

/* ==============================
   HAMBURGER (mobile)
============================== */

.hamburger-btn {
    display: none;
    position: absolute;
    top: 10px;
    left: 10px;
    z-index: 500;
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 18px;
    width: 38px;
    height: 38px;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.15s;
}

.hamburger-btn:hover {
    background: var(--bg-tertiary);
}

/* ==============================
   ADMIN PAGE
============================== */

body.admin-page {
    align-items: flex-start;
    justify-content: center;
    overflow: auto;
    height: 100%;
    min-height: 100vh;
    padding: 20px;
}

.admin-container {
    width: 100%;
    max-width: 980px;
}

.admin-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
}

.admin-body {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.admin-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 20px;
}

.admin-card-title {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
    gap: 12px;
    margin-bottom: 16px;
}

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

.form-grid .form-group label {
    font-size: 10px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: block;
    margin-bottom: 4px;
}

.form-grid .form-group input {
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: 4px;
    color: var(--text-primary);
    font-size: 13px;
    padding: 7px 10px;
    width: 100%;
    transition: border-color 0.15s;
}

.form-grid .form-group input:focus {
    outline: none;
    border-color: var(--accent);
}

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

.users-table th {
    text-align: left;
    padding: 8px 10px;
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

.users-table td {
    padding: 8px 10px;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}

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

.users-table tbody tr:hover td {
    background: rgba(51, 65, 85, 0.4);
}

.edit-input {
    background: var(--bg-primary);
    border: 1px solid var(--accent);
    border-radius: 3px;
    color: var(--text-primary);
    font-size: 12px;
    padding: 3px 6px;
    width: 100%;
    min-width: 80px;
}

.edit-input:focus {
    outline: none;
}

.td-actions {
    display: flex;
    gap: 6px;
    align-items: center;
    flex-wrap: wrap;
}

/* ==============================
   MOBILE LAYOUT
============================== */

@media (max-width: 767px) {
    body {
        /* Safe area insets for notched phones */
        padding-top: env(safe-area-inset-top);
        padding-bottom: env(safe-area-inset-bottom);
    }

    .sidebar {
        position: fixed;
        top: 0;
        left: 0;
        height: 100%;
        height: -webkit-fill-available;
        transform: translateX(-100%);
        transition: transform 0.25s ease;
        z-index: 300;
        box-shadow: 4px 0 20px rgba(0, 0, 0, 0.5);
        /* Wider on phones for touch targets */
        width: min(300px, 90vw);
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .hamburger-btn {
        display: flex;
        /* Larger tap target on mobile */
        width: 44px;
        height: 44px;
    }

    .map-container {
        width: 100vw;
        height: 100vh;
        height: -webkit-fill-available;
    }

    /* Larger touch targets for buttons on mobile */
    .btn {
        min-height: 40px;
    }

    .btn-sm {
        min-height: 34px;
        padding: 6px 12px;
    }

    .form-group input {
        min-height: 36px;
        font-size: 16px; /* prevents iOS zoom on focus */
    }

    .snapshot-input {
        min-height: 36px;
        font-size: 16px;
    }

    /* GPS button more prominent on mobile */
    #gps-btn {
        background: rgba(59, 130, 246, 0.12);
        border-color: var(--accent);
        color: var(--accent);
    }

    .map-coords {
        bottom: 16px;
        right: 8px;
        font-size: 10px;
        padding: 4px 8px;
    }
}