:root {
    --primary-color: #00ff88;
    --primary-dark: #00cc6a;
    --bg-color: #121212;
    --card-bg: #1e1e1e;
    --text-color: #ffffff;
    --text-muted: #aaaaaa;
    --danger-color: #ff4d4d;
    --border-color: #333;
    --input-bg: #2a2a2a;
    --hover-bg: #333333;
    --selected-text: #000000;
    --disabled-text: #555555;
    --card-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    --button-shadow: 0 4px 10px rgba(0, 0, 0, 0.25);
    --button-hover-shadow: 0 6px 16px rgba(0, 0, 0, 0.4);
}

/* Tema Clean / Claro */

body.clean,
body.light,
html.clean,
html.light {
    --primary-color: #137d72;
    --primary-dark: #0f6f66;
    --bg-color: #e9ede8;
    --card-bg: #f1f3ef;
    --text-color: #1f2d28;
    --text-muted: #4d5b54;
    --danger-color: #b85e5e;
    --border-color: #d5ddd6;
    --input-bg: #eaeee9;
    --hover-bg: #e2e8e2;
    --selected-text: #ffffff;
    --disabled-text: #aeb9b1;
    --card-shadow: 0 6px 22px rgba(31, 45, 38, 0.16), 0 1px 4px rgba(31, 45, 38, 0.08);
    --button-shadow: 0 2px 7px rgba(38, 53, 44, 0.12);
    --button-hover-shadow: 0 4px 10px rgba(38, 53, 44, 0.16);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Inter', sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.site-credit {
    width: 100%;
    margin-top: auto;
    padding: 14px 20px 18px;
    color: var(--text-muted);
    font-size: 0.85rem;
    text-align: center;
}

.site-credit strong {
    color: var(--primary-color);
    font-weight: 600;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    width: 100%;
}

h1,
h2,
h3,
h4 {
    color: var(--text-color);
    margin-bottom: 1rem;
}

button {
    background-color: var(--primary-color);
    color: var(--selected-text);
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: bold;
    transition: all 0.2s ease;
    box-shadow: var(--button-shadow);
}

button:hover {
    background-color: var(--primary-dark);
    box-shadow: var(--button-hover-shadow);
    transform: translateY(-2px);
}

button:active {
    transform: scale(0.98) translateY(0);
}

input,
select {
    background-color: var(--input-bg);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    padding: 12px;
    border-radius: 8px;
    width: 100%;
    margin-bottom: 15px;
    font-size: 16px;
}

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

.password-wrapper {
    position: relative;
    width: 100%;
}

.password-toggle {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    padding: 5px;
    cursor: pointer;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s;
    box-shadow: none;
    margin-bottom: 0;
}

.password-toggle:hover {
    color: var(--primary-color);
    background: none;
    box-shadow: none;
    transform: translateY(-50%) scale(1.1);
}

.password-toggle svg {
    width: 20px;
    height: 20px;
}

.card {
    background-color: var(--card-bg);
    padding: 20px;
    border-radius: 16px;
    box-shadow: var(--card-shadow);
}

.hidden {
    display: none !important;
}

/* Modals */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 998;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.slots-section.modal {
    position: relative;
    width: 100%;
    max-width: 450px;
    max-height: 85vh;
    overflow-y: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.8);
    margin: auto;
}

/* 3-Column Layout */
.booking-layout {
    display: grid;
    grid-template-columns: 300px 1fr 300px;
    gap: 20px;
    height: calc(100vh - 40px);
    max-height: 800px;
}

@media (max-width: 1024px) {
    .booking-layout {
        grid-template-columns: 1fr;
        height: auto;
        max-height: none;
    }
}

/* Dashboard Layout */
.dashboard-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 30px;
}

@media (max-width: 1024px) {
    .dashboard-layout {
        grid-template-columns: 1fr;
    }
}

/* Profile Section */
.profile-section {
    background-color: var(--card-bg);
    border-radius: 16px;
    padding: 30px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.profile-header {
    display: flex;
    align-items: center;
    gap: 15px;
}

.avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: #292828;
    object-fit: cover;
}

.service-info {
    margin-top: 20px;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 10px;
}

/* Calendar Section */
.calendar-section {
    background-color: var(--card-bg);
    border-radius: 16px;
    display: flex;
    flex-direction: column;
}

.welcome-options {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-top: 10px;
}

.mode-card {
    padding: 20px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    font-weight: 700;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    border: 2px solid transparent;
}

.mode-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.3);
}

.mode-card.primary {
    background: var(--primary-color);
    color: var(--selected-text);
}

.mode-card.secondary {
    background: var(--input-bg);
    color: var(--text-color);
    border-color: var(--border-color);
}

.mode-card.danger {
    background: transparent;
    color: var(--danger-color);
    border-color: var(--danger-color);
}

.mode-card.danger:hover {
    background: rgba(255, 77, 77, 0.05);
}

.calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.month-nav {
    display: flex;
    gap: 10px;
}

.nav-btn {
    background: none;
    color: var(--text-muted);
    padding: 5px;
    cursor: pointer;
}

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

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 5px;
    text-align: center;
}

.weekday {
    color: var(--text-muted);
    font-size: 0.8rem;
    padding: 10px 0;
    text-transform: uppercase;
    font-weight: bold;
}

.day {
    padding: 15px;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.2s;
    position: relative;
}

.day:hover:not(.disabled) {
    background-color: var(--hover-bg);
}

.day.selected {
    background-color: var(--primary-color);
    color: var(--selected-text);
    font-weight: bold;
}

.day.today::after {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 4px;
    background-color: var(--primary-color);
    border-radius: 50%;
}

.day.selected.today::after {
    background-color: var(--selected-text);
}

.day.disabled {
    color: var(--disabled-text);
    cursor: not-allowed;
}

/* Slots Section */
.slots-section {
    background-color: var(--card-bg);
    border-radius: 16px;
    padding: 30px;
    display: flex;
    flex-direction: column;
}

.slots-header {
    margin-bottom: 20px;
    text-align: center;
}

.slots-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    overflow-y: auto;
    padding-right: 5px;
}

.time-slot {
    background-color: var(--input-bg);
    border: 1px solid var(--border-color);
    padding: 15px;
    border-radius: 8px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
}

.time-slot:hover {
    border-color: var(--primary-color);
    background-color: var(--hover-bg);
}

.time-slot.selected {
    background-color: var(--primary-color);
    color: var(--selected-text);
    border-color: var(--primary-color);
}

/* Service Selection */
.service-card {
    background-color: var(--input-bg);
    border: 1px solid var(--border-color);
    padding: 15px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.service-card:hover {
    border-color: var(--primary-color);
}

.service-card.selected {
    background-color: var(--input-bg);
    border-color: var(--primary-color);
    box-shadow: 0 0 0 1px var(--primary-color);
}

.service-details h4 {
    margin: 0;
    font-size: 1rem;
}

.service-meta {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 5px;
}

.service-price {
    font-weight: bold;
    color: var(--primary-color);
}

/* Mobile Optimizations */
@media (max-width: 600px) {
    .container {
        padding: 10px;
    }

    .card {
        padding: 15px;
    }

    .day {
        padding: 10px 5px;
        font-size: 0.9em;
    }

    .dashboard-layout {
        gap: 15px;
    }

    .weekday {
        font-size: 0.7em;
    }

    .navbar {
        padding: 15px !important;
        flex-direction: column !important;
        align-items: flex-start !important;
    }

    .navbar>div {
        width: 100%;
        justify-content: space-between;
    }

    /* Schedule time inputs: stack to single column on mobile */
    .schedule-times-grid {
        grid-template-columns: 1fr 1fr !important;
    }

    /* Prevent horizontal overflow */
    body {
        overflow-x: hidden;
    }

    .tabs-nav {
        gap: 5px !important;
    }

    .tabs-nav button {
        padding: 8px 12px !important;
        font-size: 0.85em !important;
    }

    /* Booking link box: stack vertically */
    #bookingLinkBox {
        flex-direction: column !important;
        align-items: stretch !important;
    }

    #bookingLinkBox>div:last-child {
        max-width: 100% !important;
    }
}

/* Extra small screens */
@media (max-width: 380px) {
    .schedule-times-grid {
        grid-template-columns: 1fr !important;
    }
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--card-bg);
    padding: 15px 30px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 15px;
}

/* Toast Notifications */
#toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: 10px;
    pointer-events: none;
}

.toast {
    min-width: 280px;
    max-width: 400px;
    background: var(--card-bg);
    color: var(--text-color);
    padding: 16px 20px;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.4);
    display: flex;
    align-items: center;
    gap: 12px;
    border-left: 5px solid var(--primary-color);
    pointer-events: auto;
    animation: toast-in 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55) forwards;
    transition: all 0.3s ease;
}

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

.toast.info {
    border-left-color: #3b82f6;
}

.toast.fade-out {
    opacity: 0;
    transform: translateX(50px);
    pointer-events: none;
}

@keyframes toast-in {
    from {
        opacity: 0;
        transform: translateY(-20px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@media (max-width: 600px) {
    #toast-container {
        top: 10px;
        right: 10px;
        left: 10px;
        align-items: center;
    }
    .toast {
        width: 100%;
        min-width: unset;
    }
}