/* css/app.css */
:root {
    --bg-color: #f7f9fc;
    --surface-color: #ffffff;
    --text-primary: #1a1a2e;
    --text-secondary: #6e6e80;
    --primary-color: #1e1e28;
    --accent-color: #659471;
    --border-color: #eaeaea;
    --nav-height: 60px;
    --header-height: 50px;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg-color: #121212;
        --surface-color: #1e1e1e;
        --text-primary: #f0f0f0;
        --text-secondary: #a0a0a0;
        --border-color: #2c2c2c;
    }
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    -webkit-tap-highlight-color: transparent;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    overflow-x: hidden;
    padding-bottom: calc(var(--nav-height) + 20px);
    padding-top: calc(var(--header-height) + 10px);
}

/* Header & Sub-header */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background-color: var(--surface-color);
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
}
header h1 {
    font-size: 1.2rem;
    font-weight: 600;
    letter-spacing: 1px;
}

.sub-header {
    position: sticky;
    top: var(--header-height);
    background-color: var(--bg-color);
    padding: 10px 0 15px 0;
    z-index: 900;
}
.search-input {
    width: 100%;
    padding: 10px 16px;
    border-radius: 24px;
    border: 1px solid var(--border-color);
    background-color: var(--surface-color);
    color: var(--text-primary);
    font-size: 0.95rem;
    box-shadow: 0 2px 5px rgba(0,0,0,0.02);
}
.search-input:focus {
    outline: none;
    border-color: var(--accent-color);
}

/* Bottom Navigation */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    background-color: var(--surface-color);
    display: flex;
    justify-content: space-around;
    align-items: center;
    border-top: 1px solid var(--border-color);
    z-index: 1000;
    padding-bottom: env(safe-area-inset-bottom);
}
.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.75rem;
    cursor: pointer;
}
.nav-item.active {
    color: var(--accent-color);
}
.nav-item svg {
    width: 24px;
    height: 24px;
    margin-bottom: 4px;
}

/* Containers */
.container {
    padding: 15px;
    max-width: 600px;
    margin: 0 auto;
}
.view {
    display: none;
    animation: fadeIn 0.3s ease;
}
.view.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Forms */
.form-group {
    margin-bottom: 10px;
}
label {
    display: block;
    margin-bottom: 3px;
    font-size: 0.8rem;
    color: var(--text-secondary);
}
input, select, textarea {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background-color: var(--surface-color);
    color: var(--text-primary);
    font-size: 0.95rem;
}
input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--accent-color);
}

.btn {
    display: block;
    width: 100%;
    padding: 14px;
    background-color: var(--primary-color);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    text-align: center;
    margin-top: 10px;
}
.btn.accent {
    background-color: var(--accent-color);
}

/* Property Cards */
.property-card {
    display: flex;
    align-items: center;
    background-color: var(--surface-color);
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 12px;
    box-shadow: 0 1px 5px rgba(0,0,0,0.05);
    padding: 10px;
    gap: 12px;
    cursor: pointer;
}
.property-card img {
    width: 80px;
    height: 80px;
    border-radius: 8px;
    object-fit: cover;
    background-color: var(--border-color);
    flex-shrink: 0;
}
.property-info {
    flex: 1;
    padding: 0;
}
.property-title {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 2px;
    line-height: 1.2;
    color: var(--text-primary);
}
.property-price {
    font-size: 1rem;
    color: var(--accent-color);
    font-weight: 700;
    margin-bottom: 4px;
}
.property-meta {
    display: flex;
    gap: 10px;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* Floating Action Button (FAB) */
.fab {
    position: fixed;
    bottom: calc(var(--nav-height) + 20px);
    right: 20px;
    width: 56px;
    height: 56px;
    background-color: var(--accent-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(101, 148, 113, 0.4);
    cursor: pointer;
    z-index: 900;
}
.fab svg { width: 24px; height: 24px; }