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

:root {
    --primary: #06b6d4;
    --primary-dark: #0891b2;
    --secondary: #7c3aed;
    --secondary-light: #a78bfa;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --dark: #1a1d29;
    --dark-lighter: #2d3142;
    --dark-light: #3f4557;
    --gray: #6b7280;
    --gray-light: #d1d5db;
    --bg-dark: #0f172a;
    --bg-card: #1e293b;
    --bg-hover: #334155;
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --border: #334155;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--dark);
    color: var(--text-primary);
    overflow: hidden;
}

.container-main {
    display: flex;
    height: 100vh;
    width: 100vw;
}

/* ==================== SIDEBAR ==================== */
.sidebar {
    width: 220px;
    background: linear-gradient(135deg, var(--dark) 0%, var(--dark-lighter) 100%);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    padding: 20px 15px;
    overflow-y: auto;
}

.sidebar-header {
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-image {
    max-width: 100%;
    height: auto;
    max-height: 80px;
    object-fit: contain;
}

.sidebar-nav {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.nav-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 15px;
    background: transparent;
    border: none;
    border-radius: 8px;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.nav-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

.nav-btn.active {
    background: var(--primary);
    color: white;
    transform: translateX(4px);
}

.nav-btn .icon {
    font-size: 18px;
}

.nav-section {
    padding: 12px 0;
}

.nav-section-title {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-muted);
    padding: 0 15px 8px;
    letter-spacing: 0.5px;
    margin: 0;
}

.checkbox-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 15px;
    cursor: pointer;
    font-size: 13px;
    color: var(--text-secondary);
    transition: all 0.2s ease;
}

.checkbox-item:hover {
    color: var(--text-primary);
}

.checkbox-item input {
    cursor: pointer;
    accent-color: var(--primary);
}

.checkbox-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.btn-add-appointment {
    margin-top: auto;
    padding: 14px 24px;
    background: linear-gradient(135deg, var(--secondary) 0%, var(--primary) 100%);
    border: none;
    border-radius: 10px;
    color: white;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    white-space: nowrap;
    box-shadow: 0 4px 12px rgba(124, 58, 237, 0.2);
}

.btn-add-appointment:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 24px rgba(124, 58, 237, 0.4);
}

.btn-add-appointment:active {
    transform: translateY(-1px);
}

/* ==================== MAIN CONTENT ==================== */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: var(--bg-dark);
    overflow: hidden;
}

.header {
    padding: 20px 30px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 30px;
}

.header-title h1 {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.header-controls {
    display: flex;
    align-items: center;
    gap: 20px;
}

.search-input {
    padding: 10px 15px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 13px;
    width: 250px;
    transition: all 0.3s ease;
}

.search-input::placeholder {
    color: var(--text-muted);
}

.search-input:focus {
    outline: none;
    border-color: var(--primary);
    background: var(--dark-light);
}

.view-toggle {
    display: flex;
    gap: 0;
    background: var(--bg-card);
    border-radius: 8px;
    border: 1px solid var(--border);
    padding: 4px;
}

.toggle-btn {
    padding: 8px 16px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    border-radius: 6px;
    transition: all 0.2s ease;
}

.toggle-btn:hover {
    color: var(--text-primary);
}

.toggle-btn.active {
    background: var(--primary);
    color: white;
}

.date-navigation {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    padding: 15px 30px;
    border-bottom: 1px solid var(--border);
}

.btn-prev-date,
.btn-next-date {
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-primary);
    width: 36px;
    height: 36px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-prev-date:hover,
.btn-next-date:hover {
    background: var(--dark-light);
    border-color: var(--primary);
}

#currentDate {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    min-width: 200px;
    text-align: center;
}

/* ==================== CALENDAR VIEW ==================== */
.calendar-view {
    flex: 1;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.calendar-view.hidden {
    display: none;
}

/* Vista Semanal */
.week-header {
    display: grid;
    grid-template-columns: 60px repeat(5, 1fr);
    border-bottom: 1px solid var(--border);
    background: var(--bg-card);
    position: sticky;
    top: 0;
    z-index: 10;
    padding-right: 11px;
    box-sizing: border-box;
}

.day-header {
    padding: 15px 10px;
    text-align: center;
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
    position: relative;
}

.day-header.is-festivo {
    background: rgba(249, 115, 22, 0.08);
    border-bottom: 3px solid #f97316;
}

.festivo-indicator {
    font-size: 14px;
    margin-top: 2px;
}

.day-number {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
}

.day-name {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.week-grid {
    display: grid;
    grid-template-columns: 60px repeat(5, 1fr);
    flex: 1;
    overflow-y: scroll;
    overflow-x: hidden;
    scrollbar-width: thin;
    scrollbar-color: var(--bg-hover) var(--bg-card);
}

.time-column {
    background: var(--bg-card);
    border-right: 1px solid var(--border);
    position: sticky;
    left: 0;
    z-index: 5;
}

.time-slot {
    padding: 10px 5px;
    font-size: 11px;
    color: var(--text-muted);
    text-align: right;
    border-bottom: 1px solid var(--border);
    height: 90px;
    background: var(--bg-card);
}

.day-column {
    border-right: 1px solid var(--border);
    position: relative;
    background: var(--bg-dark);
}

.day-column.festivo-day {
    background: rgba(249, 115, 22, 0.04);
}

.day-column:last-child {
    border-right: none;
}

.calendar-hour {
    height: 90px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    position: relative;
}

.appointment-slot {
    position: absolute;
    left: 4px;
    right: 4px;
    background: linear-gradient(135deg, #7c3aed 0%, #6d28d9 100%);
    border-radius: 6px;
    padding: 6px;
    cursor: pointer;
    font-size: 11px;
    color: white;
    font-weight: 600;
    overflow: hidden;
    white-space: normal;
    word-break: break-word;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    box-shadow: 0 2px 8px rgba(124, 58, 237, 0.3);
    display: flex;
    flex-direction: column;
    gap: 3px;
    min-height: 90px;
    justify-content: space-between;
}

.appointment-slot:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(124, 58, 237, 0.5);
}

.appointment-slot.instalacion {
    background: linear-gradient(135deg, #06b6d4 0%, #0891b2 100%);
    box-shadow: 0 2px 8px rgba(6, 182, 212, 0.3);
}

.appointment-slot.instalacion:hover {
    box-shadow: 0 4px 12px rgba(6, 182, 212, 0.5);
}

.appointment-slot-info {
    display: flex;
    flex-direction: column;
    gap: 3px;
    justify-content: space-between;
    height: 100%;
}

.folio-display {
    font-weight: 700;
    font-size: 12px;
    line-height: 1.2;
}

.time-display {
    font-size: 10px;
    opacity: 0.95;
}

.service-badge-compact {
    display: inline-block;
    background: rgba(255, 255, 255, 0.25);
    padding: 2px 5px;
    border-radius: 3px;
    font-size: 9px;
    font-weight: 700;
    align-self: flex-start;
    text-transform: uppercase;
}

/* Vista Mensual */
.month-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 1px;
    background: var(--border);
    padding: 1px;
    flex: 1;
    overflow: auto;
}

.month-day {
    background: var(--bg-card);
    padding: 12px;
    min-height: 120px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.month-day:hover {
    background: var(--dark-light);
}

.month-day.other-month {
    background: rgba(0, 0, 0, 0.2);
    opacity: 0.5;
}

.month-day-header {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.month-day-header.current {
    color: var(--primary);
    background: rgba(6, 182, 212, 0.1);
    padding: 2px 6px;
    border-radius: 4px;
    display: inline-block;
}

.month-appointment {
    background: rgba(124, 58, 237, 0.2);
    border-left: 3px solid #7c3aed;
    padding: 4px 6px;
    border-radius: 4px;
    font-size: 10px;
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.month-appointment.instalacion {
    background: rgba(6, 182, 212, 0.2);
    border-left-color: #06b6d4;
}

/* ==================== MODAL ==================== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(4px);
}

.modal.hidden {
    display: none;
}

.modal-content {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 30px;
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.modal-close {
    position: absolute;
    top: 15px;
    right: 15px;
    background: transparent;
    border: none;
    font-size: 28px;
    color: var(--text-muted);
    cursor: pointer;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

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

.modal-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 20px;
}

/* ==================== AUTH MODAL ==================== */
.auth-modal {
    max-width: 380px;
    text-align: center;
    padding: 40px 30px;
}

.auth-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 30px;
}

.auth-subtitle {
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: 8px;
}

.auth-logo {
    max-width: 100%;
    height: auto;
    margin-bottom: 20px;
    object-fit: contain;
}

.pin-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.error-message {
    padding: 10px;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--danger);
    border-radius: 6px;
    color: #fca5a5;
    font-size: 12px;
    text-align: left;
}

.error-message.hidden {
    display: none;
}

.appointment-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
}

.form-group input[type="text"],
.form-group input[type="tel"],
.form-group input[type="date"],
.form-group input[type="time"],
.form-group input[type="number"],
.form-group input[type="password"] {
    padding: 10px 12px;
    background: var(--dark-light);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 13px;
    transition: all 0.2s ease;
    font-family: inherit;
}

/* PIN Input específico */
.pin-form input[type="password"] {
    padding: 16px 12px;
    height: 50px;
    max-width: 120px;
    margin: 0 auto;
    font-size: 20px;
    text-align: center;
    letter-spacing: 4px;
    font-weight: 600;
}

.form-group input::placeholder {
    color: var(--text-muted);
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(6, 182, 212, 0.05);
}

.radio-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 10px 0;
}

.radio-item {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    font-size: 13px;
    color: var(--text-secondary);
    transition: all 0.2s ease;
    padding: 8px;
    border-radius: 6px;
}

.radio-item:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}

.radio-item input[type="radio"] {
    cursor: pointer;
    accent-color: var(--primary);
}

.radio-dot {
    display: inline-block;
    width: 12px;
    height: 12px;
    border: 2px solid var(--primary);
    border-radius: 50%;
    position: relative;
}

.radio-item input[type="radio"]:checked ~ .radio-dot {
    background: var(--primary);
}

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

.btn-cancel,
.btn-submit {
    flex: 1;
    padding: 12px;
    border: none;
    border-radius: 6px;
    font-weight: 600;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.3s ease;
}

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

.btn-cancel:hover {
    background: var(--dark-light);
    color: var(--text-primary);
}

.btn-submit {
    background: linear-gradient(135deg, var(--secondary) 0%, var(--primary) 100%);
    color: white;
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(124, 58, 237, 0.3);
}

.btn-submit:active {
    transform: translateY(0);
}

/* ==================== APPOINTMENT CARD ==================== */
.appointment-card {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: var(--bg-card);
    border-radius: 12px;
    width: 350px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
    z-index: 999;
    animation: slideUp 0.3s ease;
    border: 1px solid var(--border);
}

.appointment-card.hidden {
    display: none;
}

@keyframes slideUp {
    from {
        transform: translateY(100px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.card-close {
    position: absolute;
    top: 10px;
    right: 10px;
    background: transparent;
    border: none;
    font-size: 24px;
    color: var(--text-muted);
    cursor: pointer;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

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

.card-header {
    padding: 15px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 10px;
}

.service-badge {
    display: inline-block;
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
}

.service-badge.visita-tecnica {
    background: rgba(124, 58, 237, 0.2);
    color: #a78bfa;
}

.service-badge.instalacion {
    background: rgba(6, 182, 212, 0.2);
    color: #22d3ee;
}

.card-content {
    padding: 15px;
}

.card-content h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 5px;
}

.card-content > p {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 15px;
}

.card-info {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.info-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.info-label {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.info-item span:last-child {
    font-size: 13px;
    color: var(--text-secondary);
    word-break: break-word;
}

.contact-buttons {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
}

.contact-buttons span {
    font-size: 13px;
    color: var(--text-secondary);
}

.btn-contact {
    padding: 6px 12px;
    border-radius: 4px;
    border: 1px solid var(--border);
    background: var(--bg-card);
    color: var(--text-secondary);
    font-size: 11px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.btn-contact:hover {
    background: var(--dark-light);
    color: var(--text-primary);
    border-color: var(--primary);
}

.btn-contact.call {
    border-left: 3px solid #10b981;
}

.btn-contact.call:hover {
    background: rgba(16, 185, 129, 0.1);
}

.btn-contact.whatsapp {
    border-left: 3px solid #25d366;
}

.btn-contact.whatsapp:hover {
    background: rgba(37, 211, 102, 0.1);
}

.location-container {
    display: flex;
    gap: 8px;
    align-items: flex-start;
    flex-wrap: wrap;
}

.location-container span {
    font-size: 13px;
    color: var(--text-secondary);
    flex: 1;
}

.btn-maps {
    padding: 6px 10px;
    border-radius: 4px;
    border: 1px solid var(--border);
    background: var(--bg-card);
    color: var(--text-secondary);
    font-size: 11px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    border-left: 3px solid #3b82f6;
}

.btn-maps:hover {
    background: rgba(59, 130, 246, 0.1);
    border-left-color: #3b82f6;
    color: var(--text-primary);
}

.card-actions {
    padding: 15px;
    border-top: 1px solid var(--border);
    display: flex;
    gap: 10px;
}

.btn-edit-appointment,
.btn-delete-appointment {
    flex: 1;
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--bg-card);
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-edit-appointment:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

.btn-delete-appointment:hover {
    background: var(--danger);
    border-color: var(--danger);
    color: white;
}

/* ==================== SCROLLBAR ==================== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--dark-light);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--border);
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 1024px) {
    .sidebar {
        width: 180px;
    }

    .header-controls {
        gap: 15px;
    }

    .search-input {
        width: 180px;
    }
}

@media (max-width: 768px) {
    .container-main {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        padding: 15px;
        flex-direction: row;
        align-items: center;
        height: auto;
        border-right: none;
        border-bottom: 1px solid var(--border);
    }

    .sidebar-header {
        margin-bottom: 0;
    }

    .sidebar-nav {
        flex-direction: row;
        gap: 15px;
    }

    .nav-section {
        display: flex;
        gap: 15px;
        align-items: center;
    }

    .nav-section-title {
        display: none;
    }

    .btn-add-appointment {
        margin-top: 0;
        margin-left: auto;
        padding: 12px 18px;
        font-size: 13px;
    }

    .header {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }

    .header-controls {
        width: 100%;
        flex-direction: column;
        gap: 10px;
    }

    .search-input {
        width: 100%;
    }

    .week-header {
        grid-template-columns: 50px repeat(5, 1fr);
    }

    .week-grid {
        grid-template-columns: 50px repeat(5, 1fr);
    }

    .time-slot {
        font-size: 10px;
        padding: 5px;
        height: 50px;
    }

    .calendar-hour {
        height: 50px;
    }
}

/* ==================== SERVICE TABS (PyQt6 Style) ==================== */
.service-tabs {
    display: flex;
    flex-direction: column;
    gap: 0;
    border: 1px solid var(--border);
    border-radius: 6px;
    overflow: hidden;
    background: var(--dark-light);
    margin: 15px 0;
}

.tabs-header {
    display: flex;
    gap: 0;
    background: var(--dark-lighter);
    border-bottom: 2px solid var(--border);
}

.tab-btn {
    flex: 1;
    padding: 14px 16px;
    background: transparent;
    border: none;
    border-bottom: 3px solid transparent;
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.3s ease;
    position: relative;
}

.tab-btn:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.03);
}

.tab-btn.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
    background: rgba(6, 182, 212, 0.08);
}

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

.tab-content {
    display: none;
    padding: 20px;
    background: var(--bg-card);
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.25s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-5px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.tab-content .form-group {
    margin-bottom: 12px;
}

.tab-content .form-group select {
    width: 100%;
}