/* Jacuzzi Booking System - Minimalistic CSS */

/* ===== CSS Variables ===== */
:root {
    --primary-color: #E8744F;
    --primary-dark: #D4633D;
    --secondary-color: #E9C46A;
    --danger-color: #E63946;
    --text-dark: #2C3E50;
    --text-light: #7F8C8D;
    --border-color: #E0E0E0;
    --bg-light: #F8F9FA;
    --bg-white: #FFFFFF;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.15);
    --vh: 1vh; /* Will be updated by JavaScript for mobile */
}

/* ===== Reset & Base Styles ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-light);
    overflow: hidden;
    max-width: 100vw;
    height: calc(var(--vh, 1vh) * 100);
    position: fixed;
    width: 100%;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
}

/* ===== Utility Classes ===== */
.hidden {
    display: none !important;
}

.view {
    display: none;
}

.view:not(.hidden) {
    display: block;
}

/* ===== Login View ===== */
.login-container {
    max-width: 400px;
    margin: 100px auto;
    padding: 40px;
    background: var(--bg-white);
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.login-container h1 {
    font-size: 2rem;
    margin-bottom: 8px;
    color: var(--primary-color);
}

.subtitle {
    color: var(--text-light);
    margin-bottom: 30px;
}

/* ===== Forms ===== */
.form-group {
    margin-bottom: 20px;
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-dark);
}

input[type="text"],
input[type="email"],
input[type="time"],
input[type="number"],
textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 16px;
    transition: border-color 0.2s;
}

input:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

/* ===== Buttons ===== */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

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

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

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

.btn-secondary:hover {
    background-color: #E8E9EA;
}

.btn-danger {
    background-color: var(--danger-color);
    color: white;
}

.btn-danger:hover {
    background-color: #C0392B;
}

.btn-small {
    padding: 8px 16px;
    font-size: 14px;
}

.btn-block {
    width: 100%;
}

/* ===== Messages ===== */
.message {
    padding: 12px 16px;
    border-radius: 6px;
    margin-top: 16px;
}

.message.success {
    background-color: #D4EDDA;
    color: #155724;
    border: 1px solid #C3E6CB;
}

.message.error {
    background-color: #F8D7DA;
    color: #721C24;
    border: 1px solid #F5C6CB;
}

/* ===== App Header ===== */
.app-header {
    background: var(--bg-white);
    border-bottom: 1px solid var(--border-color);
    padding: 8px 16px;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    flex-wrap: nowrap;
}

.header-content h1 {
    font-size: 1.2rem;
    color: var(--primary-color);
    white-space: nowrap;
    flex-shrink: 0;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

/* ===== Calendar View Layout ===== */
#calendar-view {
    display: flex;
    flex-direction: column;
    height: calc(var(--vh, 1vh) * 100);
    overflow: hidden;
}

/* ===== Compact Sensor Status (Bottom) ===== */
.sensor-status-compact {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    background: var(--bg-white);
    padding: 16px;
    border-top: 1px solid var(--border-color);
    margin-top: auto;
    position: sticky;
    bottom: 0;
    z-index: 50;
}

.sensor-compact-grid {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    justify-content: center;
}

.sensor-item {
    font-size: 0.875rem;
    color: var(--text-dark);
    font-weight: 500;
    white-space: nowrap;
}

.sensor-timestamp {
    font-size: 0.75rem;
    color: var(--text-light);
}

/* ===== Profile Menu ===== */
.profile-menu {
    position: relative;
}

.profile-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s;
}

.profile-btn:hover {
    background: #E8E9EA;
}

.dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 8px;
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    box-shadow: var(--shadow-lg);
    min-width: 200px;
    z-index: 1000;
}

.dropdown a {
    display: block;
    padding: 12px 16px;
    color: var(--text-dark);
    text-decoration: none;
    transition: background 0.2s;
}

.dropdown a:hover {
    background: var(--bg-light);
}

.dropdown hr {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 4px 0;
}

/* ===== View Selector ===== */
.view-selector {
    display: flex;
    gap: 6px;
    flex: 1;
    justify-content: center;
}

.view-btn {
    padding: 6px 12px;
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
    transition: all 0.2s;
    white-space: nowrap;
}

.view-btn .abbr {
    display: none;
}

.view-btn:hover {
    background: #E8E9EA;
}

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

/* ===== Navigation Buttons Row ===== */
.navigation-buttons {
    display: flex;
    gap: 6px;
    justify-content: center;
    padding: 4px 16px;
    background: var(--bg-light);
    border-bottom: 1px solid var(--border-color);
}

.navigation-buttons.hidden {
    display: none;
}

.nav-btn {
    padding: 4px 10px;
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    cursor: pointer;
    font-size: 12px;
    transition: all 0.2s;
    white-space: nowrap;
}

.nav-btn:hover {
    background: var(--bg-light);
}

/* ===== Calendar Container ===== */
.calendar-container {
    max-width: 1200px;
    margin: 12px auto;
    padding: 0 24px;
    position: relative;
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
}

/* Remove padding for graph view */
.calendar-container:has(.graph-wrapper) {
    margin: 0;
    padding: 0;
    max-width: 100%;
}

/* ===== Graph Update Button ===== */
.graph-update-btn {
    position: absolute;
    /* top: 16px; */
    right: 16px;
    padding: 4px 8px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s;
    box-shadow: var(--shadow);
    z-index: 10;
}

.graph-update-btn:hover {
    background: var(--primary-dark);
    box-shadow: var(--shadow-lg);
}

.graph-update-btn.hidden {
    display: none;
}

/* ===== Graph Controls ===== */
.graph-controls {
    position: absolute;
    top: 10px;
    right: 12px;
    z-index: 10;
}

.graph-days-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    white-space: nowrap;
}

.graph-days-label span {
    min-width: 4ch;
    text-align: right;
}

.graph-days-label input[type="range"] {
    width: 90px;
    accent-color: var(--primary);
    cursor: pointer;
}

/* ===== Graph Wrapper ===== */
.graph-wrapper {
    width: 100%;
    height: 100%;
    overflow-x: auto;
    overflow-y: hidden;
    display: flex;
    align-items: center;
}

#sensor-graph {
    display: block;
    background: white;
    border-radius: 8px;
    box-shadow: var(--shadow);
    flex-shrink: 0;
}

/* ===== Week View ===== */
.week-view {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 12px;
}

.week-header {
    text-align: center;
    margin-bottom: 24px;
    font-size: 1.2rem;
    font-weight: 600;
}

.day-column {
    background: var(--bg-white);
    border-radius: 8px;
    padding: 8px;
    box-shadow: var(--shadow);
    min-height: 80px;
    max-width: 100%;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.day-column:hover {
    box-shadow: var(--shadow-lg);
}

.day-column.past-day {
    opacity: 0.6;
    cursor: not-allowed;
    background: #f9f9f9;
}

.day-column.past-day:hover {
    box-shadow: var(--shadow);
}

.day-header {
    text-align: center;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--border-color);
    margin-bottom: 8px;
    flex-shrink: 0;
}

.day-name {
    font-size: 14px;
    color: var(--text-light);
    text-transform: uppercase;
}

.day-date {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-dark);
}

.day-date.today {
    color: var(--primary-color);
}

.booking-block {
    background: rgba(232, 116, 79, 0.15);
    color: var(--text-dark);
    padding: 8px;
    border-radius: 4px;
    margin-bottom: 8px;
    cursor: pointer;
    transition: all 0.2s;
    border-left: 4px solid var(--primary-color);
    flex-shrink: 0;
    min-width: 0;
}

.booking-block:hover {
    background: rgba(232, 116, 79, 0.25);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.booking-time {
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 4px;
}

.booking-desc {
    font-size: 12px;
    opacity: 0.9;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ===== Month View ===== */
.month-view {
    background: var(--bg-white);
    border-radius: 8px;
    padding: 24px;
    box-shadow: var(--shadow);
}

.month-header {
    text-align: center;
    margin-bottom: 12px;
    font-size: 1.5rem;
    font-weight: 600;
}

.month-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 8px;
    /* grid-auto-rows: minmax(60px, auto); */
}

.month-day-header {
    text-align: center;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-light);
    padding: 12px;
}

.month-day {
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 8px;
    cursor: pointer;
    transition: all 0.2s;
    position: relative;
    min-height: 60px;
    display: flex;
    flex-direction: column;
}

.month-day:hover {
    background: white;
    box-shadow: var(--shadow);
}

.month-day.today {
    border-color: var(--primary-color);
    border-width: 2px;
}

.month-day.other-month {
    opacity: 0.3;
}

.month-day.past-day {
    opacity: 0.5;
    cursor: not-allowed;
    background: #f5f5f5;
}

.month-day.past-day:hover {
    background: #f5f5f5;
    box-shadow: none;
}

.month-day-number {
    font-size: 16px;
    font-weight: 600;
}

.month-bookings {
    margin-top: 8px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    flex: 1;
}

.month-booking-block {
    background: var(--primary-color);
    color: white;
    font-size: 11px;
    padding: 4px 6px;
    border-radius: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    cursor: pointer;
    transition: all 0.2s;
}

.month-booking-block:hover {
    transform: scale(1.02);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.month-booking-more {
    font-size: 11px;
    color: var(--text-light);
    font-style: italic;
    padding: 2px 6px;
}

.booking-indicator {
    width: 6px;
    height: 6px;
    background: var(--primary-color);
    border-radius: 50%;
    margin-top: 4px;
}

/* ===== Agenda View ===== */
.agenda-view {
    background: var(--bg-white);
    border-radius: 8px;
    padding: 24px;
    box-shadow: var(--shadow);
}

.agenda-group {
    margin-bottom: 32px;
}

.agenda-date-header {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--border-color);
}

.agenda-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px;
    margin-bottom: 12px;
    background: var(--bg-light);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
}

.agenda-item:hover {
    background: #E8E9EA;
    transform: translateX(4px);
}

.agenda-item.past {
    opacity: 0.6;
}

.agenda-time {
    font-weight: 600;
    color: var(--text-dark);
}

.agenda-description {
    flex: 1;
    margin: 0 16px;
}

.agenda-user {
    font-size: 14px;
    color: var(--text-light);
}

/* ===== Modal ===== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
}

.modal-content {
    background: var(--bg-white);
    border-radius: 12px;
    padding: 32px;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
}

.modal-header {
    margin-bottom: 24px;
}

.modal-header h2 {
    font-size: 1.5rem;
    color: var(--text-dark);
}

.modal-body {
    margin-bottom: 24px;
}

.modal-footer {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
}

.info-row {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
}

.info-label {
    font-weight: 600;
    color: var(--text-light);
}

.info-value {
    color: var(--text-dark);
}

.email-list {
    max-height: 200px;
    overflow-y: auto;
    margin: 16px 0;
    padding: 12px;
    background: var(--bg-light);
    border-radius: 6px;
}

.email-item {
    padding: 8px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 4px;
}

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

.email-remove-btn {
    margin-left: auto;
    background: none;
    border: none;
    color: var(--danger-color);
    cursor: pointer;
    font-size: 18px;
    line-height: 1;
    padding: 0 4px;
    opacity: 0.7;
}

.email-remove-btn:hover {
    opacity: 1;
}

/* ===== Loading ===== */
.loading {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 3000;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* ===== Toast Notifications ===== */
.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 4000;
}

.toast {
    background: var(--text-dark);
    color: white;
    padding: 16px 24px;
    border-radius: 6px;
    margin-top: 8px;
    box-shadow: var(--shadow-lg);
    animation: slideIn 0.3s ease;
}

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

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

@keyframes slideIn {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* ===== Sensor Status Display ===== */
.sensor-status {
    background: var(--bg-white);
    padding: 20px;
    margin: 20px 0;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.status-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
}

.status-card {
    background: var(--bg-light);
    padding: 16px;
    border-radius: 6px;
    text-align: center;
}

.status-label {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-bottom: 8px;
    font-weight: 500;
}

.status-value {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-dark);
}

/* ===== Graph View ===== */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-light);
    font-size: 1.1rem;
}

/* ===== Responsive Design ===== */
@media (max-width: 768px) {
    .week-view {
        grid-template-columns: 1fr;
        max-width: 100%;
        overflow-x: hidden;
    }

    .month-grid {
        gap: 4px;
        max-width: 100%;
    }

    .month-day {
        padding: 4px;
        min-width: 0;
    }

    .day-column {
        max-width: 100%;
        min-width: 0;
    }

    .view-selector {
        gap: 4px;
    }

    .view-btn {
        padding: 5px 8px;
        font-size: 12px;
    }

    /* Show abbreviations on mobile */
    .view-btn .full {
        display: none;
    }

    .view-btn .abbr {
        display: inline;
    }

    .navigation-buttons {
        gap: 4px;
        padding: 4px 12px;
    }

    .nav-btn {
        padding: 4px 8px;
        font-size: 11px;
    }

    .app-header {
        padding: 10px 12px;
    }

    .header-content {
        gap: 8px;
    }

    .header-content h1 {
        font-size: 1rem;
    }

    .profile-btn {
        padding: 5px 10px;
        font-size: 12px;
    }

    .calendar-container {
        padding: 0 12px;
        margin: 8px auto;
        max-width: 100%;
    }

    .graph-update-btn {
        top: 12px;
        right: 20px;
        padding: 6px 12px;
        font-size: 13px;
    }

    .modal-content {
        padding: 24px;
    }

    .login-container {
        margin: 40px auto;
        padding: 24px;
    }

    .status-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .sensor-status {
        padding: 12px;
    }

    .sensor-status-compact {
        padding: 4px 8px;
    }

    .sensor-compact-grid {
        gap: 6px;
    }

    .sensor-item {
        font-size: 0.75rem;
    }

    .sensor-timestamp {
        font-size: 0.7rem;
    }
}

/* ===== Landscape Phone Optimization ===== */
@media (max-height: 500px) and (orientation: landscape) {
    /* Ultra-compact header for landscape mode */
    .app-header {
        padding: 4px 8px;
    }

    .header-content {
        gap: 6px;
    }

    .header-content h1 {
        font-size: 0.9rem;
    }

    .view-selector {
        gap: 3px;
    }

    .view-btn {
        padding: 4px 6px;
        font-size: 10px;
    }

    /* Show abbreviations in landscape */
    .view-btn .full {
        display: none;
    }

    .view-btn .abbr {
        display: inline;
    }

    .navigation-buttons {
        gap: 3px;
        padding: 2px 8px;
    }

    .nav-btn {
        padding: 3px 6px;
        font-size: 10px;
    }

    .profile-btn {
        padding: 4px 8px;
        font-size: 11px;
    }

    .calendar-container {
        margin: 4px auto;
        padding: 0 8px;
    }

    .graph-update-btn {
        top: 8px;
        right: 16px;
        padding: 4px 10px;
        font-size: 12px;
    }

    /* Ultra-compact footer */
    .sensor-status-compact {
        padding: 2px 4px;
    }

    .sensor-compact-grid {
        gap: 4px;
    }

    .sensor-item {
        font-size: 0.65rem;
    }

    .sensor-timestamp {
        font-size: 0.6rem;
    }

    /* Compact week view */
    .day-column {
        padding: 4px;
        min-height: 50px;
    }

    .day-header {
        padding-bottom: 4px;
        margin-bottom: 4px;
    }

    .day-name {
        font-size: 10px;
    }

    .day-date {
        font-size: 16px;
    }

    .booking-block {
        padding: 4px 6px;
        margin-bottom: 4px;
    }

    .booking-time {
        font-size: 10px;
    }

    .booking-desc {
        font-size: 10px;
    }
}