/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --color-primary: #2563eb;
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-danger: #ef4444;
    --color-gray: #6b7280;
    --color-offline: #9ca3af;
    --color-bg: #f9fafb;
    --color-text: #111827;
    --color-border: #e5e7eb;
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.5;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Login Page Styles */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: var(--spacing-md);
}

.login-container {
    width: 100%;
    max-width: 400px;
}

.login-card {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-xl);
}

.login-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.icon-marker {
    width: 48px;
    height: 48px;
    color: var(--color-primary);
    margin: 0 auto var(--spacing-md);
}

.login-header h1 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-text);
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text);
}

.form-group input {
    padding: 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: border-color 0.2s;
    min-height: 44px; /* Touch-friendly */
}

.form-group input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.error-message {
    padding: 0.75rem;
    background-color: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: var(--radius-md);
    color: var(--color-danger);
    font-size: 0.875rem;
}

.btn-primary {
    padding: 0.75rem 1.5rem;
    background-color: var(--color-primary);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s;
    min-height: 44px; /* Touch-friendly */
}

.btn-primary:hover:not(:disabled) {
    background-color: #1d4ed8;
}

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

/* Map Page Styles */
.map-page {
    margin: 0;
    padding: 0;
    overflow: hidden;
}

#map {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: calc(100vh - 60px); /* Reserve space for status bar */
}

.status-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: white;
    border-top: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--spacing-md);
    box-shadow: var(--shadow-md);
    z-index: 1000;
}

.status-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.875rem;
}

.status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--color-gray);
    transition: background-color 0.3s;
}

.status-dot.green {
    background-color: var(--color-success);
}

.status-dot.amber {
    background-color: var(--color-warning);
}

.status-dot.red {
    background-color: var(--color-danger);
}

.status-dot.gray {
    background-color: var(--color-offline);
}

.status-right {
    display: flex;
    gap: var(--spacing-sm);
}

.icon-button {
    width: 44px; /* Touch-friendly */
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: transparent;
    color: var(--color-text);
    cursor: pointer;
    border-radius: var(--radius-md);
    transition: background-color 0.2s;
}

.icon-button:hover {
    background-color: var(--color-bg);
}

.icon-button:active {
    background-color: var(--color-border);
}

.icon-button svg {
    width: 20px;
    height: 20px;
}

/* Leaflet Popup Customization */
.leaflet-popup-content-wrapper {
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
}

.leaflet-popup-content {
    margin: var(--spacing-md);
    min-width: 200px;
}

.location-popup {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.popup-row {
    display: flex;
    justify-content: space-between;
    gap: var(--spacing-md);
    font-size: 0.875rem;
}

.popup-label {
    font-weight: 500;
    color: var(--color-gray);
}

.popup-value {
    font-weight: 600;
    color: var(--color-text);
}

.popup-value.green {
    color: var(--color-success);
}

.popup-value.amber {
    color: var(--color-warning);
}

.popup-value.red {
    color: var(--color-danger);
}

.popup-value.gray {
    color: var(--color-offline);
}

/* Responsive Design */
@media (max-width: 640px) {
    .status-bar {
        padding: 0 var(--spacing-sm);
    }

    .status-indicator {
        font-size: 0.75rem;
    }

    .icon-button {
        width: 40px;
        height: 40px;
    }

    .icon-button svg {
        width: 18px;
        height: 18px;
    }
}

@media (orientation: landscape) and (max-height: 600px) {
    #map {
        height: calc(100vh - 50px);
    }

    .status-bar {
        height: 50px;
    }
}

/* Loading State */
.loading {
    opacity: 0.6;
    pointer-events: none;
}