:root {
    --text-main: #ffeee0;
    --text-dim: #b4d1cc;
    --accent-blue: #89b4fa;
    --accent-green: #a6e3a1;
    --accent-red: #f38ba8;
    --accent-yellow: #f9e2af;
    --accent-peach: #fab387;
    --glass-bg-base: rgba(0, 0, 0, 0.4); 
    --glass-bg-blue: rgba(137, 180, 250, 0.1); 
    --glass-bg-red: rgba(243, 139, 168, 0.1); 
    --border: rgba(255, 255, 255, 0.8);
    --glass-blur: 5px;
    --text-shadow: 0 2px 4px rgba(0, 0, 0, 0.8);
}

* {
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

html, body {
    margin: 0; padding: 0; width: 100%;
    /* FIX CRITIC: Blocăm înălțimea la ecran și ascundem scroll-ul general */
    height: 100dvh; 
    overflow: hidden; 
    font-family: 'Inter', sans-serif;
    color: var(--text-main);
    background: #1e1e2e url('background.jpg') no-repeat center center fixed;
    background-size: cover;
    text-shadow: var(--text-shadow);
}

/* Structura Principală - Flex Column */
.container {
    max-width: 900px; 
    height: 100%; /* Ocupă tot ecranul */
    margin: 0 auto;
    display: flex; 
    flex-direction: column; 
    position: relative; 
    z-index: 2;
    background: linear-gradient(90deg, rgba(30,30,46,0) 0%, rgba(30,30,46,0.3) 50%, rgba(30,30,46,0) 100%);
}

.home-btn {
    position: absolute; top: 20px; left: 20px;
    text-decoration: none; font-weight: 600; font-size: 0.9rem; padding: 8px 15px; border-radius: 8px; z-index: 10; transition: all 0.2s;
    background: var(--glass-bg-base);
    color: var(--text-main);
    border: 1px solid var(--border);
    backdrop-filter: blur(var(--glass-blur));
}
.home-btn:hover { background: var(--accent-blue); color: #1e1e2e; border-color: var(--accent-blue); text-shadow: none; }

/* --- ZONA DE SCROLL (Mijloc) --- */
.scroll-content {
    flex: 1; /* Ocupă tot spațiul disponibil dintre header și input */
    overflow-y: auto; /* Aici se face scroll-ul */
    overflow-x: hidden;
    padding-top: 70px; /* Spațiu pentru butonul Home */
    display: flex;
    flex-direction: column;
}

/* Scrollbar stilizat */
.scroll-content::-webkit-scrollbar { width: 6px; }
.scroll-content::-webkit-scrollbar-track { background: transparent; }
.scroll-content::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.15); border-radius: 4px; }

.chat-box {
    display: flex; flex-direction: column; gap: 20px; 
    padding: 0 20px;
}

.suggestions-wrapper {
    margin-top: 40px;
    padding-bottom: 20px;
}

/* --- MESAJE --- */
.message {
    max-width: 85%; padding: 15px 20px; border-radius: 12px; line-height: 1.6;
    animation: fadeIn 0.3s ease; word-wrap: break-word;
    backdrop-filter: blur(var(--glass-blur));
}
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

.user-msg {
    align-self: flex-end;
    background: var(--glass-bg-blue);
    border: 1px solid rgba(137, 180, 250, 0.25);
    border-bottom-right-radius: 2px;
}
.bot-msg {
    align-self: flex-start;
    background: var(--glass-bg-base);
    border: 1px solid var(--border);
    border-bottom-left-radius: 2px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}
.system-msg { align-self: center; text-align: center; padding: 8px 16px; font-size: 0.85rem; margin: 10px 0; width: fit-content; background: var(--glass-bg-base); backdrop-filter: blur(var(--glass-blur)); border: 1px solid rgba(255, 255, 255, 0.05); border-radius: 20px; color: var(--text-dim); }

.message-content h1, .message-content h2 { margin-top: 15px; color: var(--accent-yellow); border-bottom: 1px solid rgba(255,255,255,0.1); }
.message-content strong { color: var(--accent-green); }
.message-content code { background: rgba(0,0,0,0.3); padding: 2px 5px; border-radius: 4px; font-family: 'Courier New', monospace; font-size: 0.9em; color: var(--accent-peach); text-shadow: none; }

/* --- SEMAFOR (LOADING) --- */
.semaphore-vertical {
    align-self: center; margin: 10px auto;
    background: var(--glass-bg-base); backdrop-filter: blur(var(--glass-blur)); border: 1px solid var(--border); border-radius: 16px; padding: 20px 25px; min-width: 280px; box-shadow: 0 4px 15px rgba(0,0,0,0.05); animation: fadeIn 0.4s ease;
}
.sem-row { display: flex; min-height: 40px; opacity: 0.4; transition: opacity 0.4s; }
.sem-row.active, .sem-row.done { opacity: 1; }
.sem-indicator { display: flex; flex-direction: column; align-items: center; margin-right: 15px; width: 20px; }
.sem-dot { width: 12px; height: 12px; border-radius: 50%; background: var(--text-dim); margin-top: 6px; z-index: 2; transition: all 0.3s; box-shadow: 0 2px 4px rgba(0,0,0,0.5); }
.sem-line { width: 2px; background: rgba(255,255,255,0.1); flex-grow: 1; margin: 4px 0; }
.sem-row.active .sem-dot { background: var(--accent-yellow); box-shadow: 0 0 10px var(--accent-yellow); transform: scale(1.2); }
.sem-row.done .sem-dot { background: var(--accent-green); transform: scale(1); }
.sem-row.done .sem-line { background: rgba(166, 227, 161, 0.3); }
.sem-content { display: flex; justify-content: space-between; width: 100%; font-size: 0.9rem; padding-top: 2px; }
.sem-label { font-weight: 500; }
.sem-timer { font-family: 'Courier New', monospace; font-weight: 700; color: var(--accent-blue); min-width: 45px; text-align: right; }
.total-time { margin-top: 15px; padding-top: 12px; border-top: 1px solid rgba(255,255,255,0.1); text-align: right; color: var(--accent-yellow); }

/* --- CARDURI SUGESTII --- */
.suggestions-grid { 
    display: grid; 
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); /* Mai compact */
    gap: 15px; 
    padding: 0 20px 15px; 
    max-width: 100%;
}

.card {
    background: var(--glass-bg-base);
    border: 1px solid var(--border); padding: 15px; border-radius: 12px; cursor: pointer; display: flex; align-items: center; gap: 12px;
    backdrop-filter: blur(var(--glass-blur)); transition: all 0.2s ease;
    min-height: 80px; /* Înălțime mai decentă */
}
.card:hover { background: var(--glass-bg-blue); border-color: var(--accent-blue); transform: translateY(-2px); }
.card-icon { font-size: 1.2rem; filter: drop-shadow(0 2px 4px rgba(0,0,0,0.5)); flex-shrink: 0; }
.card-text { font-size: 0.9rem; color: var(--text-dim); line-height: 1.4; }
.card:hover .card-text { color: var(--text-main); }

/* --- INPUT AREA (FIX JOS) --- */
.input-area {
    width: 100%; padding: 20px; z-index: 100;
    background: rgba(0, 0, 0, 0.5); 
    border-top: 1px solid var(--border);
    backdrop-filter: blur(var(--glass-blur));
    flex-shrink: 0; /* NU se micșorează niciodată */
}
.input-wrapper { display: flex; gap: 12px; max-width: 100%; align-items: center; }

input {
    flex-grow: 1; padding: 14px 18px; border-radius: 10px; border: 1px solid rgba(255,255,255,0.15);
    background: rgba(255,255,255,0.05); color: white; font-size: 1rem; outline: none; transition: 0.2s; height: 46px;
    text-shadow: var(--text-shadow);
}
input:focus { border-color: var(--accent-blue); background: rgba(255,255,255,0.08); }

button {
    width: 46px; height: 46px; padding: 0;
    border-radius: 10px; cursor: pointer; display: flex; justify-content: center; align-items: center; transition: all 0.2s; font-size: 1.2rem;
    background: var(--glass-bg-blue); border: 1px solid var(--accent-blue); color: var(--accent-blue);
    backdrop-filter: blur(var(--glass-blur)); text-shadow: var(--text-shadow);
    flex-shrink: 0;
}
button:hover { background: rgba(137, 180, 250, 0.3); box-shadow: 0 0 10px rgba(137, 180, 250, 0.3); transform: translateY(-1px); }

.btn-stop { background: var(--glass-bg-red); border-color: var(--accent-red); color: var(--accent-red); display: none; }
.btn-stop:hover { background: rgba(243, 139, 168, 0.3); box-shadow: 0 0 10px rgba(243, 139, 168, 0.3); }

/* === MESSAGE ACTIONS === */
.msg-actions {
    display: flex; gap: 15px; margin-top: 12px; padding-top: 10px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    opacity: 0; animation: fadeIn 0.5s ease forwards;
}
.action-btn {
    background: transparent; border: none; padding: 5px 8px; font-size: 0.85rem; color: var(--text-dim);
    display: flex; align-items: center; gap: 6px; border-radius: 6px; cursor: pointer;
}
.action-btn:hover { background: rgba(255, 255, 255, 0.05); color: var(--accent-blue); transform: translateY(-1px); }
.btn-pdf:hover { color: var(--accent-red); }

/* === MOBILE === */
@media (max-width: 600px) {
    .container { width: 100%; max-width: 100%; }
    
    .scroll-content { padding-top: 60px; }
    
    .message { max-width: 94%; padding: 12px 14px; font-size: 0.95rem; }
    .semaphore-vertical { width: 100%; padding: 15px; }

    .input-area {
        padding: 10px 8px;
        padding-bottom: calc(10px + env(safe-area-inset-bottom));
    }
    input { font-size: 16px; } 

    /* CARDURI SUGERII PE MOBIL (Swipe Orizontal) */
    .suggestions-grid {
        display: flex; overflow-x: auto; scroll-snap-type: x mandatory;
        gap: 12px; padding: 0 20px 15px 20px;
        align-items: flex-start;
        mask-image: linear-gradient(to right, black 85%, transparent 100%);
        -webkit-mask-image: linear-gradient(to right, black 85%, transparent 100%);
        scrollbar-width: none;
    }
    .suggestions-grid::-webkit-scrollbar { display: none; }
    
    @keyframes swipe-nudge-loop {
        0% { transform: translateX(0); }
        10% { transform: translateX(-40px); } 
        20% { transform: translateX(0); }     
        100% { transform: translateX(0); }    
    }

    .card {
        width: 60vw; min-width: 60vw; max-width: 280px;
        flex-shrink: 0; scroll-snap-align: center; margin-right: 0;
        white-space: normal; height: auto;
        animation: swipe-nudge-loop 6s ease-in-out infinite;
    }
}