/* --- THEME VARIABLES --- */
:root {
    --bg-main: #000000;       
    --bg-panel: rgba(18, 18, 18, 0.75);      
    --bg-topbar: rgba(10, 10, 10, 0.85);
    --bg-input: #1a1a1a;
    --bg-card-hover: rgba(30, 30, 30, 0.8);
    --text-main: #ffffff;
    --text-muted: #cccccc;
    --text-subtle: #888888;
    --accent-color: #00e5ff;
    --accent-hover: #00b8d4;
    --success-color: #00ff88;
    --danger-color: #ff3344;
    --border-color: rgba(255, 255, 255, 0.1);
    --glass-blur: blur(12px);
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

body.light-mode {
    --bg-main: #f0f2f5;
    --bg-panel: rgba(255, 255, 255, 0.85);
    --bg-topbar: rgba(255, 255, 255, 0.95);
    --bg-input: #ffffff;
    --bg-card-hover: rgba(255, 255, 255, 1);
    --text-main: #1a1a1a;
    --text-muted: #4b4f56;
    --text-subtle: #65676b;
    --border-color: rgba(0, 0, 0, 0.08);
    --accent-color: #007bff;
}

/* --- GLOBAL RESET --- */
body, html { 
    margin: 0; padding: 0; height: 100%; 
    font-family: 'Inter', sans-serif; 
    background: radial-gradient(circle at top right, #1a1a1a 0%, #000000 80%); 
    color: var(--text-main); 
    display: flex; flex-direction: column; 
    overflow: hidden; 
}
body.light-mode { background: radial-gradient(circle at top right, #ffffff 0%, #e4e6eb 70%); }

/* --- TOP BAR --- */
#top-bar { 
    background: var(--bg-topbar); 
    backdrop-filter: var(--glass-blur);
    padding: 10px 30px; 
    border-bottom: 1px solid var(--border-color);
    display: flex; align-items: center; justify-content: space-between;
    position: sticky; top: 0; z-index: 1000; height: 60px; box-sizing: border-box;
}

.top-input-row { display: flex; align-items: center; gap: 15px; margin-bottom: 20px; }

.selector-row { display: flex; align-items: center; justify-content: space-between; width: 100%; position: relative; }

#app-selector { 
    width: 320px; height: 36px; padding: 0 10px; border-radius: 6px; 
    position: absolute; left: 50%; transform: translateX(-50%);
}

#station-id-display { font-size: 0.85em; }

/* --- CONTENT WRAPPER --- */
.content-wrapper { flex-grow: 1; overflow-y: auto; padding: 40px 20px; display: block; scrollbar-gutter: stable; }

/* --- HOME DASHBOARD (Screenshot 7 Fix) --- */
#app-home { 
    max-width: 1200px; margin: 0 auto; 
    display: flex; flex-direction: column; align-items: center; 
}

.home-title { font-size: 2.8em; color: var(--accent-color); font-weight: 300; margin: 0 0 10px 0; }
.home-subtitle { font-size: 1.1em; color: var(--text-muted); margin-bottom: 40px; }

/* Chat box back to center */
#home-chat-container { 
    width: 100%; max-width: 1000px; height: 350px; 
    background: var(--bg-panel); border: 1px solid var(--border-color); border-radius: 12px; 
    display: flex; flex-direction: column; overflow: hidden; margin-bottom: 50px; 
    box-shadow: var(--shadow);
}
#home-chat-container.expanded { height: 600px !important; }

/* Tool Cards 3x3 Grid */
.card-grid { 
    display: grid; 
    grid-template-columns: repeat(3, 1fr); 
    gap: 30px; 
    width: 100%; 
}
.tool-card { 
    background: var(--bg-panel); border: 1px solid var(--border-color); border-radius: 12px; padding: 40px 20px; 
    cursor: pointer; transition: 0.3s; display: flex; flex-direction: column; align-items: center; 
}
.tool-card:hover { transform: translateY(-5px); border-color: var(--accent-color); background: var(--bg-card-hover); }
.tool-icon { font-size: 3.5em; margin-bottom: 20px; color: var(--accent-color); }
.tool-title { font-size: 1.3em; font-weight: bold; margin-bottom: 10px; }
.tool-desc { font-size: 0.95em; color: var(--text-subtle); line-height: 1.5; }

/* --- APP CONTAINERS --- */
.app-container { 
    display: none; background: var(--bg-panel); 
    margin: 0 auto 40px auto; padding: 40px; border-radius: 16px; 
    border: 1px solid var(--border-color); 
    max-width: 1300px; width: 100%; box-sizing: border-box;
}

.header-row { display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid var(--border-color); padding-bottom: 15px; margin-bottom: 30px; }

/* Grids */
.form-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; width: 100%; }
.search-grid, .search-grid-sched { display: grid; gap: 15px; width: 100%; margin-bottom: 25px; }

/* UI Elements */
.action-btn { 
    background-color: var(--accent-color); color: #000; border: none; 
    padding: 12px 30px; border-radius: 6px; font-weight: bold; cursor: pointer; 
    transition: 0.2s; display: flex; align-items: center; justify-content: center; gap: 8px; 
    text-transform: uppercase; letter-spacing: 1px; font-size: 0.9em;
    margin-top: 15px; width: 100%;
}
.action-btn:hover:not(:disabled) { background-color: var(--accent-hover); box-shadow: 0 0 20px rgba(0, 229, 255, 0.3); }

.btn-outline { background-color: transparent; border: 1px solid var(--border-color); color: var(--text-main); }
.btn-outline:hover:not(:disabled) { background-color: var(--bg-input); color: var(--accent-color); border-color: var(--accent-color); }

.btn-centered { margin-left: auto; margin-right: auto; width: max-content; min-width: 280px; }

select, input, textarea { 
    background: var(--bg-input); color: var(--text-main); 
    border: 1px solid var(--border-color); padding: 12px; border-radius: 6px; 
    font-size: 1rem; width: 100%; box-sizing: border-box;
    color-scheme: dark light;
}
option {
    background-color: var(--bg-panel);
    color: var(--text-main);
}
label { display: block; color: var(--accent-color); font-weight: bold; font-size: 0.85em; margin-bottom: 8px; text-transform: uppercase; }

/* --- TABLES --- */
table.data-table { width: 100%; border-collapse: collapse; margin-top: 20px; font-size: 0.85em; }
table.data-table th { background: var(--bg-topbar); text-align: left; padding: 10px; color: var(--accent-color); border-bottom: 2px solid var(--border-color); font-size: 0.9em; text-transform: uppercase; }
table.data-table td { padding: 10px; border-bottom: 1px solid var(--border-color); vertical-align: top; }
table.data-table tr:hover { background-color: var(--bg-card-hover); }

/* --- CHAT COMPONENTS --- */
.ai-header { background: rgba(0, 229, 255, 0.05); padding: 15px 25px; border-bottom: 1px solid var(--border-color); display: flex; align-items: center; justify-content: space-between; font-weight: bold; color: var(--accent-color); }
.ai-body { flex-grow: 1; padding: 25px; overflow-y: auto; display: flex; flex-direction: column; gap: 15px; background: rgba(0,0,0,0.1); text-align: left; }
.ai-footer { padding: 20px 25px; border-top: 1px solid var(--border-color); background: rgba(0,0,0,0.2); }
.chat-input-row { display: flex; gap: 15px; align-items: center; }
#chat-input { flex-grow: 1; width: auto; margin: 0; }
.chat-input-row .action-btn { margin: 0; width: auto; min-width: 120px; padding: 10px 25px; }

.chat-msg { max-width: 85%; padding: 12px 18px; border-radius: 8px; font-size: 1rem; line-height: 1.5; }
.chat-user { background: rgba(0, 229, 255, 0.1); color: var(--accent-color); align-self: flex-end; }
.chat-bot { background: rgba(255, 255, 255, 0.03); color: var(--text-main); align-self: flex-start; border: 1px solid var(--border-color); }

/* TOASTS */
#toast-container { position: fixed; bottom: 30px; left: 50%; transform: translateX(-50%); z-index: 9999; display: flex; flex-direction: column; gap: 10px; pointer-events: none; }
.toast { background: var(--bg-topbar); color: var(--text-main); padding: 12px 24px; border-radius: 6px; border-left: 4px solid var(--accent-color); opacity: 0; transform: translateY(20px); transition: 0.3s; font-weight: bold; backdrop-filter: blur(8px); }
.toast.show { opacity: 1; transform: translateY(0); }

/* Animations */
@keyframes fadeSlideIn { from { opacity: 0; transform: translateY(15px); } to { opacity: 1; transform: translateY(0); } }
.module-entry { animation: fadeSlideIn 0.4s ease-out forwards; }

/* Loaders */
.loading-overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0, 0, 0, 0.85); z-index: 100; display: none; flex-direction: column; align-items: center; justify-content: center; border-radius: 12px; }
.loading-text { color: var(--accent-color); font-weight: bold; margin-top: 15px; letter-spacing: 1px; }
.spinner { width: 40px; height: 40px; border: 4px solid rgba(0, 229, 255, 0.2); border-top-color: var(--accent-color); border-radius: 50%; animation: spin 1s linear infinite; }
@keyframes spin { 100% { transform: rotate(360deg); } }