/* ==========================================================================
   NELIZA — Аналитическая платформа
   Современный дизайн с карточками, плавными переходами и тёмной темой.
   ========================================================================== */

:root {
    --bg: #0f1117;
    --bg-elev: #161923;
    --bg-elev-2: #1d2130;
    --border: rgba(255, 255, 255, 0.08);
    --border-strong: rgba(255, 255, 255, 0.14);
    --text: #e7e9ee;
    --text-muted: #8a90a2;
    --text-dim: #5a5f72;
    --primary: #7c5cff;
    --primary-hover: #8f73ff;
    --primary-glow: rgba(124, 92, 255, 0.35);
    --primary-soft: rgba(124, 92, 255, 0.12);
    --success: #3ddc97;
    --success-soft: rgba(61, 220, 151, 0.12);
    --warning: #ffb547;
    --warning-soft: rgba(255, 181, 71, 0.12);
    --error: #ff5c7c;
    --error-soft: rgba(255, 92, 124, 0.12);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --transition: 180ms cubic-bezier(0.4, 0, 0.2, 1);
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body { height: 100%; }

body {
    font-family: var(--font);
    font-size: 14px;
    line-height: 1.5;
    color: var(--text);
    background: var(--bg);
    background-image:
        radial-gradient(circle at 20% -10%, rgba(124, 92, 255, 0.12) 0%, transparent 40%),
        radial-gradient(circle at 80% 10%, rgba(61, 220, 151, 0.08) 0%, transparent 40%);
    background-attachment: fixed;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

button, input, select, textarea {
    font-family: inherit;
    font-size: inherit;
    color: inherit;
}

a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-hover); }

/* ==========================================================================
   Экран входа
   ========================================================================== */

.login-screen {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 24px;
}

.login-card {
    width: 100%;
    max-width: 400px;
    background: var(--bg-elev);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 40px 32px;
    box-shadow: var(--shadow-lg);
}

.login-brand { text-align: center; margin-bottom: 32px; }

.login-logo {
    width: 72px;
    height: 72px;
    margin: 0 auto 16px;
    border-radius: 18px;
    background: linear-gradient(135deg, var(--primary) 0%, #b892ff 100%);
    color: white;
    font-size: 36px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 24px var(--primary-glow);
}

.login-brand h1 {
    font-size: 28px;
    font-weight: 800;
    letter-spacing: 3px;
    background: linear-gradient(135deg, #fff 0%, #b0b8d1 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.login-subtitle { color: var(--text-muted); font-size: 13px; margin-top: 4px; }

.login-form { display: flex; flex-direction: column; gap: 16px; }

.form-field label {
    display: block;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-muted);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-field input,
.form-field select,
.form-field textarea {
    width: 100%;
    padding: 12px 14px;
    background: var(--bg-elev-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text);
    transition: border-color var(--transition), box-shadow var(--transition);
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-soft);
}

.login-hint {
    background: var(--primary-soft);
    border: 1px solid rgba(124, 92, 255, 0.3);
    color: var(--primary-hover);
    padding: 10px 12px;
    border-radius: var(--radius-md);
    font-size: 13px;
}

.login-error {
    background: var(--error-soft);
    border: 1px solid rgba(255, 92, 124, 0.3);
    color: var(--error);
    padding: 10px 12px;
    border-radius: var(--radius-md);
    font-size: 13px;
}

.login-footer {
    text-align: center;
    color: var(--text-dim);
    font-size: 12px;
    margin-top: 8px;
}

/* ==========================================================================
   Кнопки
   ========================================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 18px;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    background: var(--bg-elev-2);
    color: var(--text);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
    user-select: none;
}

.btn:hover { background: var(--border-strong); }
.btn:active { transform: scale(0.98); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, #9273ff 100%);
    color: white;
    box-shadow: 0 4px 12px var(--primary-glow);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-hover) 0%, #a888ff 100%);
    box-shadow: 0 6px 16px var(--primary-glow);
}

.btn-ghost {
    background: transparent;
    border-color: var(--border);
    color: var(--text-muted);
}

.btn-ghost:hover {
    background: var(--bg-elev-2);
    color: var(--text);
    border-color: var(--border-strong);
}

.btn-sm { padding: 6px 12px; font-size: 13px; }
.btn-block { width: 100%; }

/* ==========================================================================
   Приложение: шапка + вкладки
   ========================================================================== */

.app {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.app-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 32px;
    background: rgba(22, 25, 35, 0.7);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 10;
}

.app-brand { display: flex; align-items: center; gap: 12px; }

.app-logo {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--primary) 0%, #b892ff 100%);
    color: white;
    font-size: 20px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px var(--primary-glow);
}

.app-name {
    font-size: 18px;
    font-weight: 800;
    letter-spacing: 2px;
    background: linear-gradient(135deg, #fff 0%, #b0b8d1 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.app-user { display: flex; align-items: center; gap: 12px; }
.user-name { font-weight: 500; color: var(--text); }

.user-role {
    padding: 4px 10px;
    background: var(--primary-soft);
    color: var(--primary-hover);
    border-radius: 100px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Вкладки */
.tabs {
    display: flex;
    gap: 4px;
    padding: 12px 32px 0;
    background: rgba(22, 25, 35, 0.5);
    border-bottom: 1px solid var(--border);
    overflow-x: auto;
}

.tab {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-muted);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
    position: relative;
    margin-bottom: -1px;
}

.tab:hover { color: var(--text); background: var(--bg-elev); }

.tab.active {
    color: var(--text);
    border-bottom-color: var(--primary);
    background: var(--bg-elev);
}

.tab-icon { font-size: 16px; }

.tab-future {
    opacity: 0.4;
    cursor: not-allowed;
    border-style: dashed;
}

.tab-future:hover { background: transparent; color: var(--text-dim); }

/* ==========================================================================
   Содержимое
   ========================================================================== */

.content {
    flex: 1;
    padding: 32px;
    max-width: 1400px;
    width: 100%;
    margin: 0 auto;
}

.panel-header { margin-bottom: 24px; }
.panel-header h2 { font-size: 24px; font-weight: 700; margin-bottom: 4px; }
.panel-desc { color: var(--text-muted); font-size: 14px; }

.scripts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(420px, 1fr));
    gap: 20px;
}

.script-card {
    background: var(--bg-elev);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.script-card:hover {
    border-color: var(--border-strong);
    box-shadow: var(--shadow-md);
}

.script-card-header h3 { font-size: 16px; font-weight: 600; }

.script-desc {
    color: var(--text-muted);
    font-size: 13px;
    line-height: 1.5;
    white-space: pre-wrap;
}

.script-body {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 12px 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.script-hint {
    color: var(--text-muted);
    font-size: 13px;
    background: var(--bg-elev-2);
    padding: 8px 12px;
    border-radius: var(--radius-md);
    border-left: 3px solid var(--primary);
}

/* ==========================================================================
   Формы: поля, диапазоны дат
   ========================================================================== */

.date-range-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.field label {
    display: block;
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.field input {
    width: 100%;
    padding: 8px 12px;
    background: var(--bg-elev-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text);
}

.field input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-soft);
}

.text-input-group label {
    display: block;
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.text-input {
    width: 100%;
    min-height: 120px;
    padding: 10px 12px;
    background: var(--bg-elev-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text);
    resize: vertical;
    font-family: 'SF Mono', Monaco, Consolas, monospace;
    font-size: 13px;
}

.text-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-soft);
}

/* ==========================================================================
   Dropzone
   ========================================================================== */

.file-dropzone {
    border: 2px dashed var(--border-strong);
    border-radius: var(--radius-md);
    padding: 20px;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition);
    position: relative;
}

.file-dropzone:hover,
.file-dropzone.drag-over {
    border-color: var(--primary);
    background: var(--primary-soft);
}

.file-dropzone.big { padding: 48px 24px; }

.dropzone-content { pointer-events: none; }
.dropzone-icon { font-size: 32px; margin-bottom: 8px; }
.dropzone-text { color: var(--text-muted); font-size: 14px; }
.dropzone-text strong { color: var(--primary-hover); }
.dropzone-hint { color: var(--text-dim); font-size: 12px; margin-top: 8px; }

.file-input-hidden {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

.file-list {
    margin-top: 12px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    text-align: left;
}

.file-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    background: var(--bg-elev-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 13px;
}

.file-item-name {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex: 1;
}

.file-item-size {
    color: var(--text-muted);
    font-size: 12px;
    margin: 0 12px;
}

.file-item-remove {
    background: transparent;
    border: none;
    color: var(--error);
    cursor: pointer;
    font-size: 18px;
    padding: 0 4px;
}

/* ==========================================================================
   Month picker
   ========================================================================== */

.month-picker-label {
    font-size: 12px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.month-picker-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
    gap: 8px;
}

.month-btn {
    padding: 10px 8px;
    background: var(--bg-elev-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
    text-align: center;
}

.month-btn:hover {
    border-color: var(--primary);
    background: var(--primary-soft);
}

.month-btn.selected {
    background: linear-gradient(135deg, var(--primary) 0%, #9273ff 100%);
    border-color: var(--primary);
    color: white;
    box-shadow: 0 4px 12px var(--primary-glow);
}

.month-picker-loading,
.month-picker-empty {
    color: var(--text-muted);
    font-size: 13px;
    padding: 12px;
    background: var(--bg-elev-2);
    border-radius: var(--radius-md);
    text-align: center;
}

.month-picker-empty {
    color: var(--error);
}

/* ==========================================================================
   Результат, уведомления, модалки
   ========================================================================== */

.result-box {
    padding: 16px;
    background: var(--bg-elev-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    margin-top: 12px;
}

.result-box.success {
    border-color: rgba(61, 220, 151, 0.3);
    background: var(--success-soft);
}

.result-box.error {
    border-color: rgba(255, 92, 124, 0.3);
    background: var(--error-soft);
    color: var(--error);
}

.result-box a {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    background: var(--primary-soft);
    border: 1px solid rgba(124, 92, 255, 0.3);
    border-radius: var(--radius-md);
    color: var(--primary-hover);
    font-weight: 500;
    margin-top: 8px;
}

.modal {
    position: fixed;
    inset: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background: var(--bg-elev);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    max-width: 600px;
    width: 100%;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-lg);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
}

.modal-header h3 { font-size: 18px; }

.modal-close {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 28px;
    cursor: pointer;
    padding: 0 4px;
    line-height: 1;
}

.modal-close:hover { color: var(--text); }

.modal-body {
    padding: 20px;
    overflow-y: auto;
}

/* Toast */
.toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    padding: 14px 20px;
    background: var(--bg-elev);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: 200;
    animation: toast-in 0.3s ease-out;
    max-width: 400px;
}

.toast.success { border-left: 3px solid var(--success); }
.toast.error { border-left: 3px solid var(--error); }
.toast.info { border-left: 3px solid var(--primary); }

@keyframes toast-in {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

/* ==========================================================================
   Обработка товаров
   ========================================================================== */

.goods-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.goods-form-card,
.goods-history-card {
    background: var(--bg-elev);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.goods-form-card h3,
.goods-history-card h3 { font-size: 16px; font-weight: 600; }

.goods-tasks {
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-height: 500px;
    overflow-y: auto;
}

.goods-task {
    padding: 12px 14px;
    background: var(--bg-elev-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
}

.goods-task-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 6px;
}

.goods-task-title { font-weight: 500; font-size: 14px; }

.goods-task-status {
    padding: 2px 10px;
    border-radius: 100px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
}

.goods-task-status.queued { background: var(--warning-soft); color: var(--warning); }
.goods-task-status.running { background: var(--primary-soft); color: var(--primary-hover); }
.goods-task-status.done { background: var(--success-soft); color: var(--success); }
.goods-task-status.error { background: var(--error-soft); color: var(--error); }

.goods-task-meta { font-size: 12px; color: var(--text-muted); }
.goods-task-meta span { margin-right: 12px; }

.goods-task-download {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-top: 8px;
    padding: 6px 12px;
    background: var(--primary-soft);
    border: 1px solid rgba(124, 92, 255, 0.3);
    border-radius: var(--radius-sm);
    color: var(--primary-hover);
    font-weight: 500;
    font-size: 13px;
}

.goods-task-error {
    margin-top: 8px;
    padding: 8px 12px;
    background: var(--error-soft);
    border-radius: var(--radius-sm);
    color: var(--error);
    font-size: 12px;
    font-family: 'SF Mono', Monaco, monospace;
    max-height: 100px;
    overflow-y: auto;
    white-space: pre-wrap;
}

.muted { color: var(--text-muted); font-size: 13px; }

/* Спиннер */
.spinner {
    display: inline-block;
    width: 14px;
    height: 14px;
    border: 2px solid var(--border-strong);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ==========================================================================
   Адаптив
   ========================================================================== */

@media (max-width: 900px) {
    .content { padding: 20px 16px; }
    .app-header { padding: 12px 16px; }
    .tabs { padding: 8px 16px 0; }
    .scripts-grid { grid-template-columns: 1fr; }
    .goods-layout { grid-template-columns: 1fr; }
    .user-name { display: none; }
}

@media (max-width: 600px) {
    .tab-label { display: none; }
    .tab { padding: 10px 14px; }
    .date-range-row { grid-template-columns: 1fr; }
}