/* ============================================ */
/* MODALS - GLASSMORPHISM STYLE                */
/* Apple Design meets Frosted Glass UI         */
/* ============================================ */

/* Modal Overlay */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--modal-overlay);
    z-index: 1000;
    align-items: flex-end;
    justify-content: center;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.modal.active {
    display: flex;
}

/* ============================================ */
/* MODAL CONTENT - FROSTED GLASS                */
/* ============================================ */
.modal-content {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: 20px 20px 0 0;
    width: 100%;
    max-width: 500px;
    max-height: 85vh;
    overflow-y: auto;
    animation: slideUp 0.3s cubic-bezier(.22,1,.36,1);
    box-shadow: var(--glass-shadow);
}

body.light .modal-content {
    border: 1px solid rgba(0,0,0,0.08);
    box-shadow: var(--glass-shadow), 0 1px 0 rgba(255,255,255,0.8) inset;
}

body.dark .modal-content {
    border: 1px solid rgba(255,255,255,0.07);
    box-shadow: var(--glass-shadow);
}

@keyframes slideUp {
    from { transform: translateY(100%); }
    to { transform: translateY(0); }
}

@media (min-width: 768px) {
    .modal {
        align-items: center;
    }
    .modal-content {
        max-width: 600px;
        border-radius: 20px;
        animation: scaleUp 0.3s cubic-bezier(.22,1,.36,1);
        max-height: 90vh;
    }
}

@keyframes scaleUp {
    from { transform: scale(0.95); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

/* ============================================ */
/* MODAL HEADER                                  */
/* ============================================ */
.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 20px 10px;
    border-bottom: 1px solid var(--glass-border);
    position: sticky;
    top: 0;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    z-index: 10;
}

/* Header inner left section */
.modal-header > div:first-child {
    flex: 1;
    min-width: 0;
}

.modal-header h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.modal-subtitle {
    color: var(--text-secondary);
    margin-top: 2px;
    font-weight: 400;
    font-size: 14px;
    line-height: 1.4;
}

/* Close Button */
.modal-close {
    background: var(--glass-surface);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-muted);
    flex-shrink: 0;
    margin-left: 12px;
    -webkit-tap-highlight-color: transparent;
    transition: all 0.2s ease;
}

.modal-close:hover {
    background: var(--danger-bg);
    border-color: var(--danger);
    color: var(--danger);
}

/* ============================================ */
/* BODY & ACTIONS                                */
/* ============================================ */
.modal-body {
    padding: 20px;
}

.modal-actions {
    display: flex;
    gap: 12px;
    margin-top: 8px;
}

.modal-actions .btn-primary,
.modal-actions .btn-danger {
    flex: 1;
}

/* ============================================ */
/* PRESET BUTTONS (Group Color Picker)          */
/* ============================================ */
.preset-buttons {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-bottom: 20px;
    transition: all 0.2s ease;
}

.preset-buttons.has-selected .preset-btn:not(.selected) {
    opacity: 0.35;
    transition: all 0.2s ease;
}

.preset-buttons.has-selected .preset-btn:not(.selected):hover {
    opacity: 0.65;
}

.preset-btn {
    background: var(--glass-surface);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 12px 8px;
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
    transition: all 0.2s ease;
    position: relative;
    text-align: center;
}

.preset-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.06);
}

.preset-btn:active {
    transform: scale(0.97);
}

/* Brand color presets (solid) */
.preset-btn[data-color="dark"] {
    background: #1c1c1e;
    color: white;
    border-color: #38383a;
}
.preset-btn[data-color="dark"]:hover,
.preset-btn[data-color="dark"].selected {
    background: #2c2c2e;
    border-color: #0a84ff;
}
.preset-btn[data-color="red"] {
    background: #ff3b30;
    color: white;
    border-color: #ff453a;
}
.preset-btn[data-color="red"]:hover,
.preset-btn[data-color="red"].selected {
    background: #d63031;
    border-color: #0a84ff;
}
.preset-btn[data-color="youtube"] {
    background: #ff0000;
    color: white;
    border-color: #cc0000;
}
.preset-btn[data-color="youtube"]:hover,
.preset-btn[data-color="youtube"].selected {
    background: #cc0000;
    border-color: #0a84ff;
}
.preset-btn[data-color="green"] {
    background: #34c759;
    color: white;
    border-color: #30d158;
}
.preset-btn[data-color="green"]:hover,
.preset-btn[data-color="green"].selected {
    background: #2db84f;
    border-color: #0a84ff;
}
.preset-btn[data-color="blue"] {
    background: #007aff;
    color: white;
    border-color: #0a84ff;
}
.preset-btn[data-color="blue"]:hover,
.preset-btn[data-color="blue"].selected {
    background: #0066d6;
    border-color: #0a84ff;
}
.preset-btn[data-color="custom"] {
    background: var(--glass-surface);
    color: var(--text-primary);
    border: 1px dashed var(--glass-border);
}
.preset-btn[data-color="custom"]:hover,
.preset-btn[data-color="custom"].selected {
    background: var(--warning-bg);
    border-color: var(--warning);
    color: var(--warning);
}

.preset-btn.selected {
    border-color: var(--primary);
    border-width: 2px;
}

/* ============================================ */
/* QUICK DATE BUTTONS                           */
/* ============================================ */
.quick-dates-label {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 4px;
    font-weight: 500;
}

.quick-dates {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    margin-bottom: 16px;
}

.quick-date-btn {
    background: var(--glass-surface);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 10px;
    color: var(--text-secondary);
    font-family: 'Kanit', sans-serif;
    font-size: 13px;
    font-weight: 500;
    text-align: center;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
    transition: all 0.2s ease;
}

.quick-date-btn:hover {
    background: var(--warning-bg);
    border-color: var(--warning);
    color: var(--warning);
}

.quick-date-btn.selected {
    background: var(--warning-bg);
    border-color: var(--warning);
    color: var(--warning);
}

/* ============================================ */
/* FORM INPUTS                                   */
/* ============================================ */
.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 6px;
    font-weight: 500;
}

.form-group input,
.form-group select {
    width: 100%;
    background: var(--glass-surface);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 10px 14px;
    color: var(--text-primary);
    font-size: 16px;
    font-family: 'Kanit', sans-serif;
    outline: none;
    transition: border-color 0.2s ease;
}

.form-group input:focus,
.form-group select:focus {
    border-color: var(--primary);
}

.form-group input[type="date"] { cursor: pointer; }
.form-group input[type="date"]::-webkit-calendar-picker-indicator {
    filter: invert(0.5);
    cursor: pointer;
}
body.dark .form-group input[type="date"]::-webkit-calendar-picker-indicator { filter: invert(1); }

/* Custom billing-cycle select: keeps the native value for form logic, replaces only its presentation. */
.custom-select { position: relative; }
.custom-select-native {
    position: absolute;
    width: 1px !important;
    height: 1px !important;
    opacity: 0;
    pointer-events: none;
}
.custom-select-trigger {
    width: 100%;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 12px;
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    background: var(--glass-surface);
    color: var(--text-primary);
    font: 500 14px 'Kanit', sans-serif;
    text-align: left;
}
.custom-select-trigger:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
.custom-select-chevron { display: inline-flex; color: var(--text-secondary); transition: transform .18s ease; }
.custom-select-chevron svg { stroke: currentColor; fill: none; stroke-width: 2; }
.custom-select.is-open .custom-select-chevron { transform: rotate(180deg); }
.custom-select-menu {
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    right: 0;
    z-index: 30;
    display: none;
    padding: 5px;
    border: 1px solid var(--glass-border-strong);
    border-radius: 12px;
    background: var(--glass-surface);
    box-shadow: var(--glass-shadow);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
}
.custom-select.is-open .custom-select-menu { display: grid; }
.custom-select-option {
    padding: 9px 10px;
    border-radius: 8px;
    background: transparent;
    color: var(--text-secondary);
    font: 500 14px 'Kanit', sans-serif;
    text-align: left;
}
.custom-select-option:hover,
.custom-select-option.selected { background: var(--glass-edge); color: var(--primary); }

.form-row {
    display: flex;
    gap: 12px;
}

.form-row .form-group {
    flex: 1;
}

/* ============================================ */
/* DIVIDERS                                      */
/* ============================================ */
.divider {
    text-align: center;
    padding: 16px;
    color: var(--text-secondary);
    font-size: 13px;
    position: relative;
}

.divider::before,
.divider::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 35%;
    height: 1px;
    background: var(--glass-border);
}

.divider::before { left: 0; }
.divider::after { right: 0; }

.or-divider {
    text-align: center;
    color: var(--text-muted);
    font-size: 12px;
    margin: 8px 0 16px;
    position: relative;
}

.or-divider::before,
.or-divider::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 40%;
    height: 1px;
    background: var(--glass-border);
}

.or-divider::before { left: 0; }
.or-divider::after { right: 0; }

/* ============================================ */
/* EXPIRING / EXPIRED LISTS                     */
/* ============================================ */
.expiring-package-item,
.expired-member-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px;
    border-bottom: 1px solid var(--glass-border);
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
    transition: background 0.2s ease;
}

.expiring-package-item:hover,
.expired-member-item:hover {
    background: var(--glass-surface);
}

.expiring-package-item:last-child,
.expired-member-item:last-child { border-bottom: none; }

.expiring-package-name {
    font-weight: 600;
    color: var(--text-primary);
}
.expiring-package-expiry {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 4px;
}
.expiring-package-days {
    font-size: 13px;
    color: var(--warning);
    font-weight: 600;
}

.expired-member-info { flex: 1; }
.expired-member-name {
    font-weight: 600;
    color: var(--text-primary);
}
.expired-member-group {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 4px;
}
.expired-member-expiry {
    font-size: 12px;
    color: var(--danger);
}

/* ============================================ */
/* MEMBER LIST ITEM                              */
/* ============================================ */
.member-list-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px;
    border-bottom: 1px solid var(--glass-border);
    transition: background 0.2s ease;
}

.member-list-item:hover {
    background: var(--glass-surface);
}

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

.member-list-info {
    flex: 1;
    min-width: 0;
}

.member-list-name {
    font-weight: 600;
    font-size: 15px;
    color: var(--text-primary);
}
.member-list-group {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 2px;
}
.member-list-expiry {
    font-size: 12px;
    font-weight: 500;
    margin-top: 2px;
}
.member-list-expiry.warning { color: var(--warning); }
.member-list-expiry.danger { color: var(--danger); }

.member-list-actions {
    display: flex;
    gap: 6px;
    flex-shrink: 0;
}

.member-list-actions .btn-icon-sm {
    width: 34px;
    height: 34px;
    border-radius: 8px;
    border: 1px solid var(--glass-border);
    background: var(--glass-surface);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    color: var(--text-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    -webkit-tap-highlight-color: transparent;
    transition: all 0.2s ease;
}

.member-list-actions .btn-icon-sm:hover {
    border-color: var(--primary);
    color: var(--primary);
}

/* ============================================ */
/* MEMBER DETAIL MODAL                           */
/* ============================================ */
#modal-member-detail .modal-content {
    max-width: 500px;
}

.member-detail-name {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-align: center;
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}
.member-detail-group { display: none; }
.member-detail-extended {
    text-align: center;
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 12px;
    margin-top: -8px;
}

.member-detail-info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-bottom: 4px;
}

.member-detail-info-item {
    background: var(--glass-surface);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 10px;
    text-align: center;
}

.member-detail-info-item .info-label {
    font-size: 11px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 2px;
}
.member-detail-info-item .info-value {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.3;
}
.member-detail-info-item .info-value.price { color: var(--primary); }
.member-detail-info-item .info-sub {
    font-size: 10px;
    color: var(--text-muted);
    margin-top: 2px;
}

.member-detail-note {
    background: var(--glass-surface);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 14px;
    margin-bottom: 20px;
}

.member-detail-note .note-label {
    font-size: 10px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
}
.member-detail-note .note-text {
    font-size: 14px;
    color: var(--text-primary);
    line-height: 1.5;
    word-break: break-word;
}

.member-detail-actions {
    display: flex;
    gap: 12px;
    margin-top: 16px;
}

.member-detail-actions .btn-primary,
.member-detail-actions .btn-danger {
    flex: 1;
    margin: 0;
}

.member-detail-actions .btn-primary {
    width: auto;
    font-size: 15px;
    padding: 12px 16px;
}

/* ============================================ */
/* CONFIRMATION MODAL                           */
/* ============================================ */
.modal-confirm-content {
    max-width: 340px;
    border-radius: 20px;
    margin: auto 20px;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
    text-align: center;
}

body.light .modal-confirm-content {
    border: 1px solid rgba(0,0,0,0.08);
    box-shadow: var(--glass-shadow), 0 1px 0 rgba(255,255,255,0.8) inset;
}

body.dark .modal-confirm-content {
    border: 1px solid rgba(255,255,255,0.07);
    box-shadow: var(--glass-shadow);
}

/* Confirmation modal body padding */
.modal-confirm-content .modal-body {
    padding: 28px 24px 20px;
}

.confirm-icon {
    font-size: 44px;
    margin-bottom: 12px;
}

.confirm-title {
    font-size: 17px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.confirm-message {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 22px;
    line-height: 1.5;
}

.confirm-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.btn-confirm-cancel,
.btn-confirm-danger,
.btn-confirm-info,
.btn-confirm-secondary {
    flex: 1;
    padding: 12px;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    font-family: 'Kanit', sans-serif;
    transition: all 0.2s ease;
}

.btn-confirm-cancel {
    border: 1px solid var(--glass-border);
    background: var(--glass-surface);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    color: var(--text-primary);
    -webkit-tap-highlight-color: transparent;
}
.btn-confirm-cancel:hover {
    background: var(--bg-secondary);
    border-color: var(--text-muted);
}

.btn-confirm-danger {
    border: none;
    background: var(--danger);
    color: white;
    font-weight: 600;
    -webkit-tap-highlight-color: transparent;
}
.btn-confirm-danger:hover { background: #e6352a; }
.btn-confirm-danger:active { transform: scale(0.97); }

.btn-confirm-info {
    border: none;
    background: var(--primary);
    color: white;
    font-weight: 600;
    -webkit-tap-highlight-color: transparent;
}
.btn-confirm-info:hover { background: var(--primary-dark); }

.btn-confirm-secondary {
    border: 1px solid var(--primary);
    background: rgba(0, 122, 255, 0.1);
    color: var(--primary);
    font-weight: 600;
    -webkit-tap-highlight-color: transparent;
}
.btn-confirm-secondary:hover { 
    background: rgba(0, 122, 255, 0.2); 
}

#modal-confirm { z-index: 2000; }

/* ============================================ */
/* SCROLLBAR                                    */
/* ============================================ */
.modal-content::-webkit-scrollbar,
#modal-members-list .modal-body::-webkit-scrollbar {
    width: 4px;
}

.modal-content::-webkit-scrollbar-track,
#modal-members-list .modal-body::-webkit-scrollbar-track {
    background: transparent;
}

.modal-content::-webkit-scrollbar-thumb,
#modal-members-list .modal-body::-webkit-scrollbar-thumb {
    background: var(--glass-border);
    border-radius: 4px;
}

/* ============================================ */
/* RESPONSIVE                                   */
/* ============================================ */
@media (max-width: 480px) {
    .modal-body { padding: 16px; }

    .preset-buttons {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }

    .preset-btn {
        padding: 10px 6px;
        font-size: 12px;
    }

    .quick-dates {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }

    .quick-date-btn {
        padding: 8px;
        font-size: 12px;
    }

    .form-row {
        flex-direction: column;
        gap: 0;
    }

    .modal-header {
        padding: 14px 16px 10px;
    }

    .modal-header h3 {
        font-size: 16px;
    }

    .member-detail-info-grid {
        grid-template-columns: 1fr 1fr;
        gap: 6px;
    }
}


/* Fullscreen Modal Override */
.modal-fullscreen { align-items: center; }
body.light .modal-fullscreen .modal-content,
body.dark .modal-fullscreen .modal-content,
.modal-fullscreen .modal-content { 
    max-width: none; 
    height: 100%; 
    max-height: 100vh; 
    border-radius: 0; 
    border: none; 
    box-shadow: none;
    display: flex; 
    flex-direction: column; 
    animation: none; /* disable slide up animation for fullscreen to look natural */
}
.modal-fullscreen .modal-header { border-bottom: none; justify-content: flex-end; padding: 20px; background: transparent; backdrop-filter: none; -webkit-backdrop-filter: none; }
.modal-fullscreen .modal-header h3 { display: none; }
.modal-fullscreen .modal-close { margin-left: auto; margin-right: 0; }
.modal-fullscreen .modal-body { flex: 1; display: flex; flex-direction: column; justify-content: center; max-width: 400px; margin: 0 auto; width: 100%; }


/* ============================================ */
/* DESKTOP MODE (Modals)                        */
/* ============================================ */
@media (min-width: 1024px) {
    .modal-content {
        max-width: 500px;
        border-radius: 20px;
    }

    /* Login keeps its familiar fullscreen layout, with a roomier form on desktop. */
    #modal-login .modal-header {
        padding: 28px 40px 0;
    }

    #modal-login .modal-body {
        max-width: 560px;
        padding: 40px;
    }

    #modal-login .modal-body > div:first-child {
        margin-bottom: 32px !important;
    }

    #modal-login .modal-body > div:first-child > div {
        width: 64px !important;
        height: 64px !important;
        margin-bottom: 16px !important;
    }

    #modal-login .modal-body > div:first-child > div svg {
        width: 30px !important;
        height: 30px !important;
    }

    #modal-login .modal-body h4 {
        font-size: 21px !important;
        margin-bottom: 10px !important;
    }

    #modal-login .modal-body p {
        font-size: 15px !important;
        line-height: 1.6 !important;
    }

    #modal-login .auth-tabs {
        gap: 16px !important;
        margin-bottom: 24px !important;
        padding-bottom: 12px !important;
    }

    #modal-login .auth-tabs button {
        padding: 12px !important;
        font-size: 16px;
    }

    #modal-login .form-group {
        margin-bottom: 18px;
    }

    #modal-login .form-group label {
        font-size: 15px;
    }

    #modal-login .form-group input {
        padding: 14px 16px;
        font-size: 16px;
    }

    #modal-login .btn-primary {
        padding: 16px 20px;
        font-size: 17px;
    }

    #modal-login .modal-close {
        width: 42px;
        height: 42px;
    }
}