@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&display=swap');

:root {
    --bg-primary: #0b0f19;
    --bg-secondary: #111827;
    --accent-blue: #38bdf8;
    --accent-indigo: #6366f1;
    --accent-purple: #a855f7;
    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    --border-color: rgba(255, 255, 255, 0.08);
    --glass-bg: rgba(15, 23, 42, 0.6);
    --glass-border: rgba(255, 255, 255, 0.08);
    --success: #10b981;
    --error: #ef4444;
}

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

body {
    font-family: 'Outfit', sans-serif;
    background: radial-gradient(circle at top right, rgba(99, 102, 241, 0.15), transparent 40%),
                radial-gradient(circle at bottom left, rgba(168, 85, 247, 0.15), transparent 40%),
                var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow-x: hidden;
}

.login-wrapper {
    width: 100%;
    max-width: 440px;
    padding: 20px;
}

.card {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 40px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
    border-color: rgba(99, 102, 241, 0.2);
}

.logo-area {
    text-align: center;
    margin-bottom: 30px;
}

.logo-icon {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-indigo) 50%, var(--accent-purple) 100%);
    border-radius: 18px;
    margin-bottom: 16px;
    box-shadow: 0 8px 16px rgba(99, 102, 241, 0.3);
}

.logo-icon svg {
    width: 30px;
    height: 30px;
    fill: none;
    stroke: #ffffff;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

h1 {
    font-size: 1.8rem;
    font-weight: 700;
    color: #ffffff;
    letter-spacing: -0.025em;
    margin-bottom: 8px;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 400;
}

.form-group {
    margin-bottom: 24px;
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.input-wrapper {
    position: relative;
}

.input-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    pointer-events: none;
}

.input-icon svg {
    width: 20px;
    height: 20px;
}

.form-input {
    width: 100%;
    padding: 14px 16px 14px 48px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: #ffffff;
    font-family: inherit;
    font-size: 1rem;
    outline: none;
    transition: all 0.2s ease;
}

.form-input:focus {
    background: rgba(255, 255, 255, 0.06);
    border-color: var(--accent-indigo);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.15);
}

.form-input::placeholder {
    color: rgba(255, 255, 255, 0.25);
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 28px;
}

.checkbox-container {
    display: flex;
    align-items: center;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--text-secondary);
    user-select: none;
}

.checkbox-container input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

.checkmark {
    height: 18px;
    width: 18px;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    margin-right: 10px;
    display: inline-block;
    position: relative;
    transition: all 0.2s ease;
}

.checkbox-container:hover input ~ .checkmark {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: var(--accent-indigo);
}

.checkbox-container input:checked ~ .checkmark {
    background: linear-gradient(135deg, var(--accent-indigo), var(--accent-purple));
    border-color: transparent;
}

.checkmark:after {
    content: "";
    position: absolute;
    display: none;
}

.checkbox-container input:checked ~ .checkmark:after {
    display: block;
}

.checkbox-container .checkmark:after {
    left: 6px;
    top: 2px;
    width: 4px;
    height: 9px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.btn {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-indigo) 50%, var(--accent-purple) 100%);
    border: none;
    border-radius: 12px;
    color: #ffffff;
    font-family: inherit;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.2);
    transition: all 0.2s ease;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
}

.btn:hover {
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.35);
    filter: brightness(1.05);
    transform: translateY(-1px);
}

.btn:active {
    transform: translateY(1px);
    box-shadow: 0 2px 6px rgba(99, 102, 241, 0.2);
}

.alert {
    padding: 12px 16px;
    border-radius: 12px;
    font-size: 0.9rem;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 10px;
    border: 1px solid transparent;
}

.alert-danger {
    background-color: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.2);
    color: #fca5a5;
}

.alert-success {
    background-color: rgba(16, 185, 129, 0.1);
    border-color: rgba(16, 185, 129, 0.2);
    color: #a7f3d0;
}

.alert svg {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
}

/* Dashboard Layout */
.dashboard-container {
    width: 100%;
    max-width: 100%;
    padding: 40px;
}

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

.dashboard-card {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 40px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 30px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border-color);
}

.avatar {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--accent-indigo), var(--accent-purple));
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 600;
    color: #ffffff;
    box-shadow: 0 4px 10px rgba(99, 102, 241, 0.3);
}

.user-info h2 {
    font-size: 1.4rem;
    margin-bottom: 4px;
}

.user-info p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.meta-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.meta-item {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    padding: 20px;
    border-radius: 16px;
}

.meta-item-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 6px;
}

.meta-item-value {
    font-size: 1.1rem;
    font-weight: 600;
    color: #ffffff;
}

.logout-btn {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: #fca5a5;
    padding: 10px 20px;
    border-radius: 10px;
    font-family: inherit;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.logout-btn:hover {
    background: rgba(239, 68, 68, 0.2);
    transform: translateY(-1px);
}

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

.status-indicator {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(16, 185, 129, 0.15);
    color: var(--success);
    padding: 4px 10px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
}

.status-dot {
    width: 6px;
    height: 6px;
    background-color: var(--success);
    border-radius: 50%;
    display: inline-block;
    box-shadow: 0 0 8px var(--success);
}

/* Sidebar / Hamburger Drawer */
.hamburger-btn {
    background: transparent;
    border: none;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    width: 24px;
    height: 24px;
    padding: 0;
    z-index: 1001;
    transition: transform 0.3s ease;
}

.hamburger-btn span {
    width: 24px;
    height: 2px;
    background-color: var(--text-primary);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.hamburger-btn.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.hamburger-btn.active span:nth-child(2) {
    opacity: 0;
}

.hamburger-btn.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

.sidebar-drawer {
    position: fixed;
    top: 0;
    right: -320px;
    width: 320px;
    height: 100vh;
    background: var(--bg-secondary);
    border-left: 1px solid var(--border-color);
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
    z-index: 1000;
    transition: right 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 80px 24px 24px 24px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.sidebar-drawer.active {
    right: 0;
}

.drawer-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: 999;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.drawer-backdrop.active {
    opacity: 1;
    pointer-events: auto;
}

/* Appointments Layout */
.dashboard-actions {
    display: flex;
    justify-content: flex-end;
    margin-bottom: 20px;
}

.add-btn {
    padding: 10px 20px;
    background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-indigo) 100%);
    border: none;
    border-radius: 10px;
    color: #ffffff;
    font-family: inherit;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.25);
    transition: all 0.2s ease;
    font-size: 0.95rem;
}

.add-btn:hover {
    box-shadow: 0 6px 16px rgba(99, 102, 241, 0.35);
    transform: translateY(-1px);
    filter: brightness(1.05);
}

/* Table Style */
.table-container {
    width: 100%;
    overflow-x: auto;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.01);
    margin-bottom: 30px;
}

.appointments-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    min-width: 600px;
}

.appointments-table th {
    background: rgba(255, 255, 255, 0.03);
    padding: 16px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--border-color);
}

.appointments-table td {
    padding: 16px;
    font-size: 0.95rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
}

.appointments-table tbody tr {
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.appointments-table tbody tr:hover {
    background-color: rgba(255, 255, 255, 0.03);
}

.appointments-table tbody tr:last-child td {
    border-bottom: none;
}

.weekday-tag {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-right: 8px;
    background: rgba(99, 102, 241, 0.15);
    color: var(--accent-blue);
}

/* Collapsible Accordion for Past Appointments */
.past-appointments-section {
    margin-top: 30px;
    border-top: 1px solid var(--border-color);
    padding-top: 24px;
}

.past-appointments-details {
    border: 1px solid var(--border-color);
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.01);
    overflow: hidden;
}

.past-appointments-summary {
    padding: 16px;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    user-select: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: background-color 0.2s ease;
}

.past-appointments-summary:hover {
    background-color: rgba(255, 255, 255, 0.03);
}

.past-appointments-summary::after {
    content: "▼";
    font-size: 0.8rem;
    transition: transform 0.2s ease;
    color: var(--text-secondary);
}

.past-appointments-details[open] .past-appointments-summary::after {
    transform: rotate(180deg);
}

.past-appointments-content {
    border-top: 1px solid var(--border-color);
    padding: 0;
}

/* Modal Popup */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    z-index: 1010;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    padding: 20px;
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-card {
    background: var(--bg-secondary);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    width: 100%;
    max-width: 550px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
    transform: translateY(20px);
    transition: transform 0.3s ease;
    padding: 30px;
}

.modal-overlay.active .modal-card {
    transform: translateY(0);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}

.modal-title {
    font-size: 1.4rem;
    font-weight: 600;
    color: #ffffff;
}

.close-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    transition: color 0.2s ease;
    line-height: 1;
}

.close-btn:hover {
    color: #ffffff;
}

/* Modal Footer buttons */
.modal-footer {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    margin-top: 24px;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
}

.modal-footer .btn-delete {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: #fca5a5;
    padding: 10px 20px;
    border-radius: 10px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
}

.modal-footer .btn-delete:hover {
    background: rgba(239, 68, 68, 0.2);
}

.modal-footer .btn-save {
    background: linear-gradient(135deg, var(--accent-indigo), var(--accent-purple));
    border: none;
    color: #ffffff;
    padding: 10px 24px;
    border-radius: 10px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
}

.modal-footer .btn-save:hover {
    filter: brightness(1.05);
}

.modal-footer .btn-cancel {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 10px 20px;
    border-radius: 10px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
}

.modal-footer .btn-cancel:hover {
    background: rgba(255, 255, 255, 0.08);
    color: #ffffff;
}

/* History Details Accordion in Modal */
.history-section {
    margin-top: 24px;
    border-top: 1px solid var(--border-color);
    padding-top: 16px;
}

.history-details {
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: rgba(0, 0, 0, 0.2);
    overflow: hidden;
}

.history-summary {
    padding: 12px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    user-select: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.history-summary::after {
    content: "▼";
    font-size: 0.7rem;
    transition: transform 0.2s ease;
    color: var(--text-secondary);
}

.history-details[open] .history-summary::after {
    transform: rotate(180deg);
}

.history-content {
    border-top: 1px solid var(--border-color);
    max-height: 200px;
    overflow-y: auto;
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    font-size: 0.85rem;
}

.history-item {
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.history-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.history-meta {
    display: flex;
    justify-content: space-between;
    color: var(--text-secondary);
    margin-bottom: 4px;
    font-size: 0.8rem;
}

.history-changes {
    color: var(--text-primary);
    line-height: 1.4;
    word-break: break-word;
}

.history-change-line {
    margin-top: 2px;
}

.change-arrow {
    color: var(--accent-blue);
    margin: 0 4px;
}

/* Delete confirmation overlay */
.confirm-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(4px);
    z-index: 1020;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
    padding: 20px;
}

.confirm-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.confirm-card {
    background: #1f1f2e;
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: 20px;
    width: 100%;
    max-width: 400px;
    padding: 24px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
    text-align: center;
    transform: scale(0.9);
    transition: transform 0.2s ease;
}

.confirm-overlay.active .confirm-card {
    transform: scale(1);
}

.confirm-card h3 {
    color: #ffffff;
    font-size: 1.2rem;
    margin-bottom: 12px;
}

.confirm-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 24px;
}

.confirm-actions {
    display: flex;
    justify-content: center;
    gap: 12px;
}

.confirm-actions button {
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
}

.btn-confirm-delete {
    background: var(--error);
    color: #ffffff;
    border: none;
    transition: filter 0.2s;
}

.btn-confirm-delete:hover {
    filter: brightness(1.1);
}

.btn-confirm-cancel {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    transition: all 0.2s;
}

.btn-confirm-cancel:hover {
    background: rgba(255, 255, 255, 0.08);
    color: #ffffff;
}

/* Mobile responsive adaptations */
@media (max-width: 768px) {
    .dashboard-container {
        padding: 12px;
    }
    
    .dashboard-card {
        padding: 20px;
        border-radius: 16px;
    }

    .appointments-table, 
    .appointments-table tbody, 
    .appointments-table tr, 
    .appointments-table td,
    .appointments-table th {
        display: block;
    }

    .appointments-table th {
        display: none; /* Hide header rows on mobile */
    }

    .appointments-table tbody tr {
        border-bottom: 1px solid var(--border-color);
        padding: 16px 0;
        position: relative;
    }
    
    .appointments-table tbody tr:last-child {
        border-bottom: none;
    }

    .appointments-table td {
        border-bottom: none;
        padding: 4px 0;
        font-size: 0.9rem;
    }

    .appointments-table td::before {
        content: attr(data-label) ": ";
        font-weight: 600;
        color: var(--text-secondary);
        display: inline-block;
        width: 100px;
        font-size: 0.85rem;
    }

    /* Exceptions for custom rendering on mobile */
    .appointments-table td.cell-date {
        font-size: 1rem;
        font-weight: 600;
    }
    
    .appointments-table td.cell-date::before {
        display: none;
    }
    
    .appointments-table td.cell-title {
        font-size: 1.1rem;
        font-weight: 700;
        color: #ffffff;
        padding-top: 8px;
    }
    
    .appointments-table td.cell-title::before {
        display: none;
    }
    
    .weekday-tag {
        margin-bottom: 4px;
    }

    .sidebar-drawer {
        width: 100%;
        right: -100%;
    }
    
    .modal-card {
        padding: 20px;
        border-radius: 16px;
    }
}