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

:root {
    /* Cores Oficiais dos Aventureiros */
    --primary-color: #003DA5;        /* Azul Royal */
    --secondary-color: #FFD700;      /* Amarelo Ouro */
    --success-color: #228B22;        /* Verde Floresta */
    --danger-color: #DC143C;         /* Vermelho */
    --info-color: #87CEEB;           /* Azul Céu */
    --dark-color: #1a2332;           /* Azul Escuro */
    --light-bg: #f0f4f8;
    --white: #ffffff;
    --gray: #6c757d;
    --shadow: 0 2px 12px rgba(0, 61, 165, 0.08);
    --shadow-lg: 0 8px 24px rgba(0, 61, 165, 0.15);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #003DA5 0%, #0059d4 50%, #87CEEB 100%);
    min-height: 100vh;
    color: var(--dark-color);
}

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

/* ========== Header ========== */
.header {
    background: linear-gradient(135deg, var(--primary-color) 0%, #0052b8 100%);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    padding: 1.2rem 0;
    margin-bottom: 2rem;
    border-bottom: 3px solid var(--secondary-color);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 2rem;
    font-weight: 700;
    color: var(--white);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo::before {
    content: '';
    width: 45px;
    height: 45px;
    background: var(--secondary-color);
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.header-actions {
    display: flex;
    gap: 0.5rem;
}

/* ========== Main Content ========== */
.main-content {
    padding: 2rem 0;
}

/* ========== Calendar Navigation ========== */
.calendar-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--white);
    padding: 1.5rem;
    border-radius: 15px;
    box-shadow: var(--shadow-lg);
    margin-bottom: 1.5rem;
    border-top: 4px solid var(--secondary-color);
}

.month-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-nav {
    background: linear-gradient(135deg, var(--primary-color), #0052b8);
    color: var(--white);
    border: none;
    padding: 0.75rem 1.5rem;
    font-size: 1.5rem;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 61, 165, 0.3);
}

.btn-nav:hover {
    background: linear-gradient(135deg, #0052b8, var(--primary-color));
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 61, 165, 0.4);
}

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

/* ========== Admin Panel ========== */
.admin-panel {
    background: linear-gradient(135deg, var(--white), var(--light-bg));
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    margin-bottom: 1.5rem;
    text-align: center;
    border-left: 5px solid var(--success-color);
}

/* ========== Calendar ========== */
.calendar {
    background: var(--white);
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    padding: 2rem;
    overflow: hidden;
    border-top: 5px solid var(--secondary-color);
}

.calendar-header {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 10px;
    margin-bottom: 1rem;
}

.day-name {
    text-align: center;
    font-weight: 700;
    color: var(--primary-color);
    padding: 1rem;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    background: linear-gradient(135deg, var(--light-bg), var(--info-color));
    border-radius: 10px;
}

.day-name:first-child,
.day-name:last-child {
    background: linear-gradient(135deg, var(--secondary-color), #ffd700dd);
    color: var(--dark-color);
}

.calendar-days {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 12px;
}

.day-cell {
    aspect-ratio: 1;
    border: 2px solid var(--light-bg);
    border-radius: 12px;
    padding: 0.75rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    position: relative;
    background: var(--white);
}

.day-cell:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 61, 165, 0.2);
    background: linear-gradient(135deg, var(--white), var(--info-color));
}

.day-cell.other-month {
    opacity: 0.3;
    background: var(--light-bg);
}

.day-cell.today {
    background: linear-gradient(135deg, var(--primary-color), #0052b8);
    color: var(--white);
    border-color: var(--secondary-color);
    font-weight: bold;
    box-shadow: 0 4px 16px rgba(0, 61, 165, 0.4);
}

.day-cell.today .day-number {
    color: var(--white);
}

/* Sábados destacados */
.day-cell:nth-child(7n) {
    border-color: var(--secondary-color);
    background: linear-gradient(135deg, var(--white), #ffd70022);
}

.day-cell:nth-child(7n):hover {
    background: linear-gradient(135deg, #ffd70033, var(--info-color));
}

.day-number {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: var(--primary-color);
}

.day-events {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-top: auto;
}

.event-indicator {
    height: 7px;
    border-radius: 4px;
    width: 100%;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.event-count {
    font-size: 0.7rem;
    color: var(--primary-color);
    margin-top: 0.25rem;
    text-align: center;
    font-weight: 600;
}

/* ========== Buttons ========== */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), #0052b8);
    color: var(--white);
    box-shadow: 0 4px 12px rgba(0, 61, 165, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #0052b8, var(--primary-color));
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 61, 165, 0.4);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--gray), #5a6268);
    color: var(--white);
}

.btn-secondary:hover {
    background: linear-gradient(135deg, #5a6268, var(--gray));
    transform: translateY(-2px);
}

.btn-success {
    background: linear-gradient(135deg, var(--success-color), #2ea043);
    color: var(--white);
    box-shadow: 0 4px 12px rgba(34, 139, 34, 0.3);
}

.btn-success:hover {
    background: linear-gradient(135deg, #2ea043, var(--success-color));
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(34, 139, 34, 0.4);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger-color), #c41230);
    color: var(--white);
}

.btn-danger:hover {
    background: linear-gradient(135deg, #c41230, var(--danger-color));
    transform: translateY(-2px);
}

/* ========== Modal ========== */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 61, 165, 0.4);
    backdrop-filter: blur(8px);
}

.modal.active {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.modal-content {
    background: var(--white);
    border-radius: 20px;
    padding: 2.5rem;
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 10px 40px rgba(0, 61, 165, 0.3);
    animation: slideUp 0.3s ease;
    border-top: 5px solid var(--secondary-color);
}

.modal-large {
    max-width: 600px;
}

@keyframes slideUp {
    from {
        transform: translateY(50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 3px solid var(--secondary-color);
}

.modal-header h2 {
    color: var(--primary-color);
    font-size: 1.6rem;
    font-weight: 700;
}

.close {
    color: var(--gray);
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    line-height: 1;
}

.close:hover {
    color: var(--danger-color);
    transform: rotate(90deg);
}

/* ========== Forms ========== */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--primary-color);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.85rem;
    border: 2px solid var(--light-bg);
    border-radius: 10px;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(0, 61, 165, 0.1);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-weight: 500;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    cursor: pointer;
    width: 18px;
    height: 18px;
}

.form-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    margin-top: 2rem;
}

/* ========== Color Picker ========== */
.color-picker {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.color-picker input[type="color"] {
    width: 60px;
    height: 45px;
    border: none;
    border-radius: 10px;
    cursor: pointer;
}

.color-presets {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.color-preset {
    width: 40px;
    height: 40px;
    border: 3px solid transparent;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.color-preset:hover {
    border-color: var(--primary-color);
    transform: scale(1.15);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* ========== Events List ========== */
.events-list {
    max-height: 450px;
    overflow-y: auto;
}

.event-item {
    background: linear-gradient(135deg, var(--white), var(--light-bg));
    padding: 1.25rem;
    border-radius: 12px;
    margin-bottom: 1rem;
    border-left: 6px solid var(--primary-color);
    position: relative;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.event-item:hover {
    transform: translateX(5px);
    box-shadow: 0 4px 12px rgba(0, 61, 165, 0.15);
}

.event-item-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 0.5rem;
}

.event-title {
    font-weight: 700;
    font-size: 1.15rem;
    color: var(--primary-color);
}

.event-time {
    color: var(--gray);
    font-size: 0.9rem;
    font-weight: 600;
}

.event-description {
    color: var(--dark-color);
    margin-top: 0.75rem;
    font-size: 0.95rem;
    line-height: 1.5;
}

.event-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
}

.event-actions .btn {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
}

/* ========== Loading ========== */
.loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 61, 165, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    backdrop-filter: blur(5px);
}

.spinner {
    width: 60px;
    height: 60px;
    border: 6px solid var(--white);
    border-top-color: var(--secondary-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* ========== Toast Notifications ========== */
.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: var(--dark-color);
    color: var(--white);
    padding: 1.2rem 2rem;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
    display: none;
    z-index: 3000;
    animation: slideInRight 0.3s ease;
    font-weight: 600;
}

.toast.show {
    display: block;
}

.toast.success {
    background: linear-gradient(135deg, var(--success-color), #2ea043);
    border-left: 5px solid var(--secondary-color);
}

.toast.error {
    background: linear-gradient(135deg, var(--danger-color), #c41230);
    border-left: 5px solid var(--secondary-color);
}

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

/* ========== Recurring Options ========== */
.recurring-options {
    background: linear-gradient(135deg, var(--light-bg), var(--info-color));
    padding: 1.5rem;
    border-radius: 12px;
    margin-top: 1rem;
    border-left: 4px solid var(--primary-color);
}

/* ========== Responsive Design ========== */
@media (max-width: 768px) {
    .logo {
        font-size: 1.4rem;
    }

    .month-title {
        font-size: 1.4rem;
    }

    .btn-nav {
        padding: 0.6rem 1.2rem;
        font-size: 1.3rem;
    }

    .calendar {
        padding: 1.2rem;
    }

    .calendar-days {
        gap: 8px;
    }

    .day-cell {
        padding: 0.4rem;
    }

    .day-number {
        font-size: 1rem;
    }

    .event-indicator {
        height: 5px;
    }

    .day-name {
        font-size: 0.75rem;
        padding: 0.6rem;
    }

    .modal-content {
        width: 95%;
        padding: 1.5rem;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .header .container {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .toast {
        bottom: 1rem;
        right: 1rem;
        left: 1rem;
    }
}

@media (max-width: 480px) {
    .calendar-nav {
        padding: 1rem;
    }

    .day-name {
        font-size: 0.65rem;
        padding: 0.4rem;
    }

    .day-events {
        gap: 2px;
    }

    .btn {
        padding: 0.6rem 1rem;
        font-size: 0.85rem;
    }

    .logo::before {
        width: 35px;
        height: 35px;
        font-size: 1.2rem;
    }
}