/* ================================================
   DRIP FEED TOOL — Complete Stylesheet
   Light / Dark mode with system preference + toggle
   ================================================ */

:root {
    --bg: #f5f5f7;
    --bg2: #ffffff;
    --bg3: #f0f0f2;
    --text: #1d1d1f;
    --text2: #6e6e73;
    --border: #d2d2d7;
    --accent: #1d1d1f;
    --accent-text: #ffffff;
    --success: #34c759;
    --error: #ff3b30;
    --warning: #ff9500;
    --shadow: 0 1px 3px rgba(0,0,0,0.08);
    --radius: 12px;
    --radius-sm: 8px;
    --tab-active-bg: #1d1d1f;
    --tab-active-text: #ffffff;
    --tab-bg: #e8e8ed;
    --tab-text: #6e6e73;
    --input-bg: #ffffff;
    --badge-bg: #e8e8ed;
    --log-bg: #f9f9f9;
}

[data-theme="dark"] {
    --bg: #000000;
    --bg2: #1c1c1e;
    --bg3: #2c2c2e;
    --text: #f5f5f7;
    --text2: #98989d;
    --border: #38383a;
    --accent: #ffffff;
    --accent-text: #000000;
    --shadow: 0 1px 3px rgba(0,0,0,0.3);
    --tab-active-bg: #ffffff;
    --tab-active-text: #000000;
    --tab-bg: #2c2c2e;
    --tab-text: #98989d;
    --input-bg: #2c2c2e;
    --badge-bg: #3a3a3c;
    --log-bg: #2c2c2e;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
    min-height: 100vh;
    transition: background 0.3s, color 0.3s;
}

/* ========== LOGIN ========== */
.login-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
}

.login-box {
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 40px 32px;
    width: 100%;
    max-width: 380px;
    box-shadow: var(--shadow);
    text-align: center;
}

.login-box h1 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 8px;
}

.login-box p {
    color: var(--text2);
    font-size: 14px;
    margin-bottom: 24px;
}

/* ========== LAYOUT ========== */
.app-wrap {
    max-width: 720px;
    margin: 0 auto;
    padding: 16px;
}

.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 0;
    margin-bottom: 16px;
    border-bottom: 1px solid var(--border);
}

.header h1 {
    font-size: 20px;
    font-weight: 700;
}

.header-actions {
    display: flex;
    gap: 8px;
    align-items: center;
}

/* ========== CARDS ========== */
.card {
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 16px;
    box-shadow: var(--shadow);
}

.card-title {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.card-title .icon {
    font-size: 18px;
}

/* ========== TABS (Profile Tabs) ========== */
.profile-tabs {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    align-items: center;
    margin-bottom: 16px;
}

.profile-tab {
    padding: 6px 16px;
    border-radius: 20px;
    border: none;
    cursor: pointer;
    font-size: 13px;
    font-weight: 600;
    background: var(--tab-bg);
    color: var(--tab-text);
    transition: all 0.2s;
}

.profile-tab.active {
    background: var(--tab-active-bg);
    color: var(--tab-active-text);
}

.profile-tab:hover:not(.active) {
    opacity: 0.8;
}

.btn-add-profile {
    padding: 6px 12px;
    border-radius: 20px;
    border: 1px dashed var(--border);
    cursor: pointer;
    font-size: 13px;
    background: transparent;
    color: var(--text2);
    transition: all 0.2s;
}

.btn-add-profile:hover {
    border-color: var(--text);
    color: var(--text);
}

/* ========== INPUTS ========== */
.form-group {
    margin-bottom: 12px;
}

.form-label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--text);
}

.form-hint {
    font-size: 11px;
    color: var(--text2);
    font-weight: 400;
}

input[type="text"],
input[type="password"],
input[type="number"],
input[type="url"] {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--input-bg);
    color: var(--text);
    font-size: 14px;
    transition: border-color 0.2s;
    outline: none;
}

input:focus {
    border-color: var(--accent);
}

input::placeholder {
    color: var(--text2);
    opacity: 0.6;
}

/* ========== GRID for Service IDs ========== */
.service-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

@media (max-width: 480px) {
    .service-grid {
        grid-template-columns: 1fr;
    }
}

/* ========== ORDER FORM GRID ========== */
.order-item {
    display: grid;
    grid-template-columns: 80px 1fr 1fr 80px;
    gap: 8px;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid var(--border);
}

.order-item:last-child {
    border-bottom: none;
}

.order-item-label {
    font-size: 13px;
    font-weight: 600;
}

.order-item-label .min-hint {
    display: block;
    font-size: 10px;
    color: var(--text2);
    font-weight: 400;
}

.order-item input {
    padding: 8px 10px;
    font-size: 13px;
}

.order-total {
    font-size: 13px;
    color: var(--text2);
    text-align: center;
    font-weight: 500;
}

@media (max-width: 520px) {
    .order-item {
        grid-template-columns: 70px 1fr 1fr 60px;
        gap: 6px;
    }
}

.order-header {
    display: grid;
    grid-template-columns: 80px 1fr 1fr 80px;
    gap: 8px;
    padding-bottom: 6px;
    border-bottom: 2px solid var(--border);
    margin-bottom: 4px;
}

.order-header span {
    font-size: 11px;
    font-weight: 600;
    color: var(--text2);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

@media (max-width: 520px) {
    .order-header {
        grid-template-columns: 70px 1fr 1fr 60px;
        gap: 6px;
    }
}

/* Gap row */
.gap-row {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 14px 0;
}

.gap-row label {
    font-size: 13px;
    font-weight: 600;
    white-space: nowrap;
}

.gap-row input {
    width: 100px;
    text-align: center;
}

.gap-row .gap-hint {
    font-size: 12px;
    color: var(--text2);
}

/* ========== BUTTONS ========== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
}

.btn-primary {
    background: var(--accent);
    color: var(--accent-text);
}

.btn-primary:hover {
    opacity: 0.85;
}

.btn-primary:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.btn-secondary {
    background: var(--bg3);
    color: var(--text);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--border);
}

.btn-danger {
    background: transparent;
    color: var(--error);
    border: 1px solid var(--error);
    font-size: 12px;
    padding: 6px 12px;
}

.btn-danger:hover {
    background: var(--error);
    color: #fff;
}

.btn-sm {
    padding: 6px 14px;
    font-size: 12px;
}

.btn-full {
    width: 100%;
    padding: 14px;
    font-size: 15px;
}

.btn-icon {
    background: transparent;
    border: none;
    cursor: pointer;
    font-size: 18px;
    padding: 4px;
    color: var(--text2);
    border-radius: 6px;
    transition: all 0.2s;
}

.btn-icon:hover {
    background: var(--bg3);
    color: var(--text);
}

.btn-group {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

/* ========== ORDERS LIST ========== */
.order-card {
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    margin-bottom: 12px;
    box-shadow: var(--shadow);
}

.order-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 10px;
}

.order-link {
    font-size: 13px;
    color: var(--text2);
    word-break: break-all;
    flex: 1;
}

.order-status {
    display: inline-block;
    font-size: 11px;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

.status-active {
    background: #e3f8e8;
    color: #1b8a36;
}

[data-theme="dark"] .status-active {
    background: #1b3a24;
    color: #4ade80;
}

.status-completed {
    background: var(--badge-bg);
    color: var(--text2);
}

.status-cancelled {
    background: #fde8e8;
    color: #c62828;
}

[data-theme="dark"] .status-cancelled {
    background: #3a1b1b;
    color: #f87171;
}

.order-items-progress {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 10px;
}

.progress-chip {
    font-size: 12px;
    padding: 4px 10px;
    border-radius: 6px;
    background: var(--badge-bg);
    font-weight: 500;
}

.progress-chip.done {
    opacity: 0.5;
}

.order-meta {
    font-size: 12px;
    color: var(--text2);
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    align-items: center;
}

.order-actions {
    display: flex;
    gap: 8px;
    margin-top: 10px;
}

/* ========== LOGS ========== */
.log-panel {
    margin-top: 10px;
    background: var(--log-bg);
    border-radius: var(--radius-sm);
    padding: 10px;
    max-height: 200px;
    overflow-y: auto;
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 12px;
    display: none;
}

.log-panel.open {
    display: block;
}

.log-entry {
    padding: 4px 0;
    border-bottom: 1px solid var(--border);
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.log-entry:last-child {
    border-bottom: none;
}

.log-run {
    font-weight: 600;
    min-width: 50px;
}

.log-success {
    color: var(--success);
}

.log-error {
    color: var(--error);
}

.log-time {
    color: var(--text2);
    font-size: 11px;
}

/* ========== TOAST ========== */
.toast-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    padding: 12px 20px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 500;
    animation: slideIn 0.3s ease;
    max-width: 360px;
    word-break: break-word;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.toast-success {
    background: var(--success);
    color: #fff;
}

.toast-error {
    background: var(--error);
    color: #fff;
}

.toast-info {
    background: var(--accent);
    color: var(--accent-text);
}

@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* ========== THEME TOGGLE ========== */
.theme-toggle {
    background: var(--bg3);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 4px 10px;
    cursor: pointer;
    font-size: 16px;
    display: flex;
    align-items: center;
    transition: all 0.2s;
}

.theme-toggle:hover {
    background: var(--border);
}

/* ========== BALANCE DISPLAY ========== */
.balance-display {
    display: inline-block;
    padding: 6px 14px;
    border-radius: var(--radius-sm);
    background: #e3f8e8;
    color: #1b8a36;
    font-weight: 600;
    font-size: 14px;
    margin-left: 8px;
}

[data-theme="dark"] .balance-display {
    background: #1b3a24;
    color: #4ade80;
}

/* ========== SPINNER ========== */
.spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

/* ========== EMPTY STATE ========== */
.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--text2);
}

.empty-state .icon {
    font-size: 40px;
    margin-bottom: 8px;
}

.empty-state p {
    font-size: 14px;
}

/* ========== DELETE PROFILE ========== */
.profile-header-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

/* ========== SETTINGS CARD ========== */
.settings-row {
    display: flex;
    gap: 10px;
    align-items: flex-end;
    flex-wrap: wrap;
}

.settings-row .form-group {
    flex: 1;
    min-width: 150px;
    margin-bottom: 0;
}

/* ========== LOADING OVERLAY ========== */
.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.3);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 10000;
}

.loading-overlay.active {
    display: flex;
}

.loading-box {
    background: var(--bg2);
    padding: 30px;
    border-radius: var(--radius);
    text-align: center;
}

.loading-box .spinner {
    width: 32px;
    height: 32px;
    border-width: 3px;
}

.loading-box p {
    margin-top: 10px;
    font-size: 14px;
    color: var(--text2);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 480px) {
    .app-wrap {
        padding: 10px;
    }

    .card {
        padding: 14px;
    }

    .header h1 {
        font-size: 17px;
    }

    .btn-full {
        font-size: 14px;
        padding: 12px;
    }

    .order-card-header {
        flex-direction: column;
    }

    .profile-tabs {
        gap: 4px;
    }

    .profile-tab {
        padding: 5px 12px;
        font-size: 12px;
    }
}

/* ========== HIDDEN UTILITY ========== */
.hidden {
    display: none !important;
}

/* ========== SCROLLBAR ========== */
.log-panel::-webkit-scrollbar {
    width: 6px;
}

.log-panel::-webkit-scrollbar-track {
    background: transparent;
}

.log-panel::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 3px;
}

/* ========== NEXT RUN TIMER ========== */
.next-run-timer {
    font-weight: 600;
    color: var(--warning);
}