/* ===============================
   ТЕМНАЯ ТЕМА (ПО УМОЛЧАНИЮ)
=============================== */
:root {
    --bg-gradient: linear-gradient(135deg, #2c2d30 0%, #18191b 100%);
    --panel: #2a2b2f; 
    --line: #3e3f44; 
    --input-border-light: #505258;
    --text-main: #ffffff; 
    --text-sec: #a3a5aa;
    --input-bg-idle: #1e1f23; 
    --input-bg-focus: #232429; 
    --input-border-focus: #ffffff;
    --btn-primary-bg: #3d3e44; 
    --btn-primary-hover: #4f5159; 
    --btn-primary-text: #ffffff;
    --danger-text: #e86460; 
    --danger-bg: #362425;
    --success-text: #63c76a; 
    --success-bg: #223226;
    --info-bg: #23272e;
    --sidebar-bg-image: url('./img/mramor_for_menu.jpg');
    --sidebar-overlay: linear-gradient(to bottom, rgba(20, 21, 24, 0.4), rgba(15, 16, 18, 0.6));
}

/* =========================
   СВЕТЛАЯ ТЕМА
========================= */
body.light-theme {
    --bg-gradient: linear-gradient(135deg, #e4e7ec 0%, #d1d6dc 100%);
    --panel: #ffffff; 
    --line: #a1a8b5; 
    --input-border-light: #cbd1db;
    --text-main: #0f172a; 
    --text-sec: #475569;
    --input-bg-idle: #f8fafc; 
    --input-bg-focus: #ffffff; 
    --input-border-focus: #0f172a;
    --btn-primary-bg: #1e293b; 
    --btn-primary-hover: #334155; 
    --btn-primary-text: #ffffff;
    --danger-text: #ef4444; 
    --danger-bg: #fef2f2;
    --success-text: #10b981; 
    --success-bg: #ecfdf5;
    --info-bg: #f1f5f9;
    --sidebar-bg-image: url('./img/white_mramor.jpg');
    --sidebar-overlay: linear-gradient(to bottom, rgba(255, 255, 255, 0.7), rgba(240, 242, 245, 0.85));
}

* { box-sizing: border-box; }

body {
    font-family: 'Montserrat', sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    background: var(--bg-gradient); 
    color: var(--text-main); 
    margin: 0; 
    display: flex; 
    height: 100vh;
    transition: background 0.3s ease, color 0.3s ease; 
    overflow: hidden;
}

/* БОКОВОЕ МЕНЮ */
.sidebar {
    width: 260px; 
    display: flex; 
    flex-direction: column; 
    padding: 20px 0; 
    box-shadow: 2px 0 20px rgba(0,0,0,0.08);
    background-image: var(--sidebar-overlay), var(--sidebar-bg-image); 
    background-size: cover; 
    background-position: center; 
    background-blend-mode: overlay;
    transition: width 0.3s ease; 
    flex-shrink: 0; 
    z-index: 10;
}

.sidebar.collapsed { width: 70px; }
.sidebar.collapsed .logo-text, 
.sidebar.collapsed .nav-btn-text, 
.sidebar.collapsed .theme-toggle { display: none; }

.sidebar-header { 
    display: flex; 
    align-items: flex-start; 
    justify-content: space-between;
    padding: 0 20px 20px; 
    border-bottom: 1px solid var(--line); 
    margin-bottom: 20px; 
}

.logo-text { 
    font-size: 26px; 
    font-weight: 900; 
    line-height: 1.1; 
    letter-spacing: 2px;
    text-transform: uppercase; 
    color: var(--text-main); 
    transition: opacity 0.2s; 
}

.toggle-btn { 
    background: transparent; 
    border: none; 
    color: var(--text-main); 
    font-size: 20px;
    cursor: pointer; 
    padding: 0; 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    height: 28px; 
    transition: 0.2s; 
}
.toggle-btn:hover { opacity: 0.7; }

.nav-btn { 
    background: transparent; 
    border: none; 
    color: var(--text-sec); 
    text-align: left;
    padding: 15px 20px; 
    font-size: 14px; 
    font-weight: 600; 
    cursor: pointer; 
    transition: all 0.2s;
    width: 100%; 
    font-family: 'Montserrat', sans-serif; 
    display: flex; 
    align-items: center; 
    gap: 15px;
    white-space: nowrap; 
}
.nav-btn:hover { color: var(--text-main); background: rgba(0,0,0,0.05); }
.nav-btn.active { color: var(--text-main); font-weight: 700; border-right: 3px solid var(--text-main); }

.nav-icon { font-size: 18px; font-weight: normal; margin-right: 12px; opacity: 0.8; }

.theme-toggle { margin-top: auto; padding: 20px; }

/* ОСНОВНАЯ ОБЛАСТЬ */
.main-content { flex: 1; padding: 30px 40px; overflow-y: auto; overflow-x: hidden; }

.view-section { display: none; }
.view-section.active { display: block; animation: fadeIn 0.3s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(5px); } to { opacity: 1; transform: translateY(0); } }

.card { 
    background: var(--panel); 
    border-radius: 3px; 
    padding: 40px; 
    max-width: 800px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05); 
    margin-bottom: 20px; 
    transition: background 0.3s ease, box-shadow 0.3s ease; 
}

h1 { 
    margin-top: 0; 
    font-size: 22px; 
    font-weight: 600; 
    border-bottom: 1px solid var(--line);
    padding-bottom: 15px; 
    margin-bottom: 25px; 
    color: var(--text-main); 
}

h2 { 
    font-size: 16px; 
    font-weight: 600; 
    margin-top: 0; 
    margin-bottom: 15px; 
    color: var(--text-sec); 
}

/* ЭЛЕМЕНТЫ ФОРМ */
.form-group { margin-bottom: 20px; position: relative; transition: all 0.3s ease; }
.disabled-group { opacity: 0.3; pointer-events: none; filter: grayscale(100%); }

label { 
    display: block; 
    font-size: 12px; 
    font-weight: 700; 
    text-transform: uppercase;
    letter-spacing: 0.5px; 
    margin-bottom: 8px; 
    color: var(--text-sec); 
}

input { 
    width: 100%; 
    padding: 14px 16px; 
    border: 1px solid var(--input-border-light);
    border-radius: 3px; 
    font-size: 15px; 
    font-weight: 500; 
    background: var(--input-bg-idle); 
    color: var(--text-main); 
    transition: all 0.2s; 
    font-family: 'Montserrat', sans-serif; 
}
input::placeholder { font-weight: 400; color: var(--text-sec); opacity: 0.6; }
input:focus { background: var(--input-bg-focus); border-color: var(--input-border-focus); outline: none; }
input:disabled { opacity: 0.6; cursor: not-allowed; }

.btn { 
    background: var(--btn-primary-bg); 
    color: var(--btn-primary-text); 
    padding: 14px 24px;
    border: none; 
    border-radius: 3px; 
    font-weight: 600; 
    font-size: 14px; 
    cursor: pointer; 
    transition: all 0.2s; 
    width: 100%; 
    font-family: 'Montserrat', sans-serif; 
}
.btn:hover { background: var(--btn-primary-hover); }
.btn:disabled { opacity: 0.5; cursor: wait; }

.btn-outline { 
    background: transparent; 
    color: var(--text-main); 
    border: 1px solid var(--line);
    padding: 10px 20px; 
    border-radius: 3px; 
    cursor: pointer; 
    font-size: 13px; 
    font-weight: 500;
    transition: all 0.2s; 
    font-family: 'Montserrat', sans-serif; 
}
.btn-outline:hover { border-color: var(--text-main); }

.btn-remove { 
    background: transparent; 
    color: var(--danger-text); 
    border: 1px solid var(--danger-text); 
    border-radius: 3px; 
    cursor: pointer; 
    padding: 14px; 
    transition: all 0.2s;
}
.btn-remove:hover { background: var(--danger-bg); }

.phone-row { display: flex; gap: 10px; margin-bottom: 10px; align-items: flex-start; }
.phone-row .phone-input-wrap { flex: 0 0 180px; }
.phone-row .name-input-wrap { flex: 1; }

.hint { font-size: 12px; color: var(--text-sec); margin-top: 6px; font-weight: 500; }

/* АЛЕРТЫ */
.alert { 
    display: none; 
    font-size: 13px; 
    margin-top: 8px; 
    padding: 10px 14px; 
    border-radius: 3px; 
    font-weight: 500; 
    border: 1px solid transparent; 
}
.alert.error { display: block; background: var(--danger-bg); color: var(--danger-text); border-color: rgba(232,100,96,0.3); }
.alert.success { display: block; background: var(--success-bg); color: var(--success-text); border-color: rgba(99,199,106,0.3); }
.alert.loading { display: block; background: var(--info-bg); color: var(--text-sec); border-color: var(--line); }

/* КАНБАН ДОСКА */
.kanban-board { 
    display: flex; 
    gap: 15px; 
    width: 100%; 
    height: calc(100vh - 120px);
    align-items: stretch; 
}

.kanban-col { 
    flex: 1; 
    min-width: 0; 
    background: rgba(0,0,0,0.02); 
    border: 1px solid var(--line);
    border-radius: 3px; 
    display: flex; 
    flex-direction: column; 
}

.kanban-col-header {
    font-size: 12px; 
    font-weight: 700; 
    text-transform: uppercase; 
    color: var(--text-sec); 
    display: flex; 
    justify-content: space-between; 
    align-items: center;
    letter-spacing: 0.5px; 
    padding: 15px; 
    border-bottom: 1px solid var(--line); 
    background: var(--info-bg); 
}

.kanban-badge { 
    background: var(--panel); 
    padding: 2px 8px; 
    border-radius: 12px; 
    font-size: 11px; 
    border: 1px solid var(--line); 
}

.kanban-cards-container { 
    padding: 10px; 
    flex: 1; 
    overflow-y: auto; 
    display: flex;
    flex-direction: column; 
    gap: 10px; 
}
.kanban-cards-container::-webkit-scrollbar { width: 4px; }
.kanban-cards-container::-webkit-scrollbar-thumb { background: var(--line); border-radius: 4px; }

/* КАРТОЧКА */
.kanban-card { 
    background: var(--panel); 
    border: 1px solid var(--line); 
    border-radius: 3px;
    padding: 12px 15px; 
    box-shadow: 0 2px 8px rgba(0,0,0,0.04); 
    cursor: grab; 
    transition: all 0.2s; 
}
.kanban-card:active { cursor: grabbing; opacity: 0.8; }
.kanban-card:hover { border-color: var(--text-sec); box-shadow: 0 4px 12px rgba(0,0,0,0.08); }
.kanban-card.dragging { display: none; }
.kanban-card.locked-card { cursor: pointer; }
.kanban-card.locked-card:active { opacity: 1; cursor: pointer; }

.kanban-card-title { font-size: 14px; font-weight: 700; color: var(--text-main); margin-bottom: 4px; }
.kanban-card-subtitle { font-size: 12px; color: var(--text-sec); font-weight: 500; }

.status-zamer { border-top: 3px solid #8bb2ff; }
.status-podgotovka { border-top: 3px solid #ffd37a; }
.status-zapusk { border-top: 3px solid #ff9a8e; }
.status-proizvodstvo { border-top: 3px solid #63cf91; }

/* ЗОНЫ / КОМНАТЫ */
.zone-card { 
    border: 1px dashed var(--line); 
    padding: 20px; 
    border-radius: 3px;
    margin-bottom: 15px; 
    background: var(--info-bg); 
    transition: background 0.3s; 
}
.zone-header { 
    display: flex; 
    justify-content: space-between; 
    align-items: center;
    margin-bottom: 15px; 
    font-weight: 600; 
    font-size: 16px; 
}

.spec-buttons { display: flex; gap: 10px; flex-wrap: wrap; }

.status-badge-inline { 
    background: var(--info-bg); 
    color: var(--text-main); 
    padding: 6px 14px;
    border-radius: 3px; 
    font-size: 12px; 
    font-weight: 600; 
    border: 1px solid var(--line); 
}

/* ЛИНИЯ-ИНДИКАТОР ПЕРЕТАСКИВАНИЯ */
.drop-indicator {
    height: 4px;
    background-color: #8bb2ff; 
    border-radius: 2px;
    margin: 5px 0; 
    pointer-events: none;
    box-shadow: 0 0 8px rgba(139, 178, 255, 0.6); 
}