/* ===== Variables & Reset ===== */
:root {
    --bg-dark: #0a0a0a;
    --bg-card: #1a1a1a;
    --bg-input: #252525;
    --border-dark: #333;
    --text-primary: #e0e0e0;
    --text-secondary: #999;
    --accent-red: #8b0000;
    --accent-crimson: #dc143c;
    --accent-blood: #660000;
    --shadow-heavy: 0 8px 24px rgba(0, 0, 0, 0.6);
    --shadow-medium: 0 4px 12px rgba(0, 0, 0, 0.4);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, var(--bg-dark) 0%, #1a0a0a 100%);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

/* ===== Mobile Menu Toggle ===== */
.menu-toggle {
    position: fixed;
    top: 1rem;
    left: 1rem;
    z-index: 1001;
    background: var(--bg-card);
    border: 1px solid var(--border-dark);
    border-radius: 8px;
    width: 44px;
    height: 44px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    cursor: pointer;
    transition: var(--transition);
}

.menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--accent-crimson);
    transition: var(--transition);
}

.menu-toggle:hover {
    background: var(--accent-blood);
}

.menu-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ===== Sidebar Navigation ===== */
.sidebar {
    position: fixed;
    top: 0;
    left: -280px;
    width: 280px;
    height: 100vh;
    background: var(--bg-card);
    border-right: 2px solid var(--accent-blood);
    padding: 2rem 0;
    transition: var(--transition);
    z-index: 1000;
    overflow-y: auto;
    box-shadow: var(--shadow-heavy);
}

.sidebar.active {
    left: 0;
}

.sidebar-header {
    padding: 0 1.5rem 2rem;
    border-bottom: 1px solid var(--border-dark);
}

.sidebar-header h1 {
    font-size: 1.5rem;
    color: var(--text-primary);
    line-height: 1.3;
}

.demon-lord {
    color: var(--accent-crimson);
    font-weight: 700;
    text-shadow: 0 0 10px rgba(220, 20, 60, 0.5);
}

.nav-menu {
    list-style: none;
    padding: 1rem 0;
}

.nav-link {
    display: block;
    padding: 1rem 1.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
    border-left: 3px solid transparent;
}

.nav-link:hover {
    background: rgba(220, 20, 60, 0.1);
    color: var(--accent-crimson);
    border-left-color: var(--accent-crimson);
}

.nav-link.active {
    background: rgba(220, 20, 60, 0.15);
    color: var(--accent-crimson);
    border-left-color: var(--accent-crimson);
    font-weight: 600;
}

/* ===== Overlay ===== */
.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.overlay.active {
    opacity: 1;
    visibility: visible;
}

/* ===== Main Content ===== */
.main-content {
    margin-left: 0;
    padding: 5rem 1.5rem 2rem;
    transition: var(--transition);
    min-height: 100vh;
}

.page {
    display: none;
    animation: fadeIn 0.4s ease;
}

.page.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.page-title {
    font-size: 2rem;
    margin-bottom: 2rem;
    color: var(--accent-crimson);
    text-shadow: 0 0 20px rgba(220, 20, 60, 0.4);
}

/* ===== Character Sheet ===== */
.character-header {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-bottom: 2rem;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.input-group label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

input[type="text"],
input[type="number"],
input[type="email"],
input[type="password"],
textarea {
    background: var(--bg-input);
    border: 1px solid var(--border-dark);
    border-radius: 8px;
    padding: 0.75rem;
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition);
}

input:focus,
textarea:focus {
    outline: none;
    border-color: var(--accent-crimson);
    box-shadow: 0 0 0 3px rgba(220, 20, 60, 0.1);
}

/* ===== Attributes Grid ===== */
.attributes-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-bottom: 2rem;
}

.attribute-card {
    background: var(--bg-card);
    border: 1px solid var(--border-dark);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: var(--shadow-medium);
}

.attribute-card h3 {
    font-size: 1rem;
    color: var(--accent-crimson);
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.attribute-value {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.attribute-value input {
    width: 80px;
}

.modifier {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-crimson);
    min-width: 50px;
}

/* ===== Stats Grid ===== */
.stats-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-dark);
    border-radius: 8px;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.stat-card label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-transform: uppercase;
}

.stat-value {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.stat-value input {
    flex: 1;
}

.stat-value span {
    color: var(--text-secondary);
}

/* ===== Notes ===== */
.notes-section {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.notes-section label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

textarea {
    resize: vertical;
    min-height: 120px;
}

/* ===== Dice Roller ===== */
.dice-roller {
    max-width: 600px;
    margin: 0 auto;
}

.dice-buttons {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
}

.dice-btn {
    background: linear-gradient(135deg, var(--accent-blood) 0%, var(--accent-red) 100%);
    border: 2px solid var(--accent-crimson);
    border-radius: 12px;
    padding: 2rem 1rem;
    color: var(--text-primary);
    font-size: 1.5rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-medium);
}

.dice-btn:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(220, 20, 60, 0.4);
}

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

.boon-bane-controls {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 2rem;
}

.control-btn {
    background: var(--bg-card);
    border: 1px solid var(--border-dark);
    border-radius: 8px;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    transition: var(--transition);
}

.control-btn:hover {
    border-color: var(--accent-crimson);
}

.boon {
    color: #4caf50;
}

.bane {
    color: #f44336;
}

.control-btn span:last-child {
    font-size: 1.5rem;
    font-weight: 700;
}

.roll-result {
    background: var(--bg-card);
    border: 2px solid var(--accent-crimson);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    margin-bottom: 1rem;
    box-shadow: var(--shadow-heavy);
}

.result-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.result-value {
    font-size: 4rem;
    font-weight: 700;
    color: var(--accent-crimson);
    text-shadow: 0 0 20px rgba(220, 20, 60, 0.6);
}

.result-details {
    margin-top: 1rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.reset-btn {
    width: 100%;
    background: var(--bg-input);
    border: 1px solid var(--border-dark);
    border-radius: 8px;
    padding: 1rem;
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition);
}

.reset-btn:hover {
    background: var(--accent-blood);
    border-color: var(--accent-crimson);
}

/* ===== Content Placeholder ===== */
.content-placeholder {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-secondary);
}

.content-placeholder .hint {
    color: var(--accent-crimson);
    font-style: italic;
    margin-top: 1rem;
}

/* ===== Tablet & Desktop Styles ===== */
@media (min-width: 768px) {
    .menu-toggle {
        display: none;
    }

    .sidebar {
        left: 0;
    }

    .overlay {
        display: none;
    }

    .main-content {
        margin-left: 280px;
        padding: 3rem;
    }

    .character-header {
        grid-template-columns: 2fr 1.5fr 0.5fr;
    }

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

    .stats-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1024px) {
    .attributes-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .main-content {
        padding: 3rem 4rem;
    }
}

/* ===== Scrollbar Styling ===== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
    background: var(--accent-blood);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-crimson);
}
/* ===== Modals ===== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    padding: 1rem;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--bg-card);
    border: 2px solid var(--accent-crimson);
    border-radius: 12px;
    padding: 2rem;
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-heavy);
}

.modal-content h2 {
    color: var(--accent-crimson);
    margin-bottom: 1.5rem;
    text-shadow: 0 0 10px rgba(220, 20, 60, 0.4);
}

.modal-content p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"] {
    width: 100%;
}

.checkbox-group label {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-transform: none;
    cursor: pointer;
}

.checkbox-group input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
}

/* ===== Buttons ===== */
.btn-primary,
.btn-secondary {
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1rem;
    font-weight: 600;
    border: none;
    width: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-blood) 0%, var(--accent-red) 100%);
    color: var(--text-primary);
    border: 2px solid var(--accent-crimson);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(220, 20, 60, 0.4);
}

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

.btn-secondary:hover {
    background: var(--bg-card);
    border-color: var(--accent-crimson);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
}

.button-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

/* ===== User List ===== */
.user-list,
.character-list {
    margin-top: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.user-item,
.character-item {
    background: var(--bg-input);
    border: 1px solid var(--border-dark);
    border-radius: 8px;
    padding: 1rem;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.user-item:hover,
.character-item:hover {
    border-color: var(--accent-crimson);
    background: rgba(220, 20, 60, 0.1);
}

.user-item-info,
.character-item-info {
    display: flex;
    flex-direction: column;
}

.user-item-name,
.character-item-name {
    font-weight: 600;
    color: var(--text-primary);
}

.user-item-role,
.character-item-details {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.user-type-selector {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

/* ===== Sidebar Footer ===== */
.sidebar-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border-dark);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: auto;
}

.user-info {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-dark);
}

.user-info small {
    display: block;
    color: var(--text-secondary);
    font-size: 0.75rem;
}

/* ===== Utility Classes ===== */
.mt-2 {
    margin-top: 1rem;
}

.mb-2 {
    margin-bottom: 1rem;
}

.text-center {
    text-align: center;
}

/* ===== Loading Indicator ===== */
.loading {
    text-align: center;
    padding: 2rem;
    color: var(--text-secondary);
}

.loading::after {
    content: "...";
    animation: dots 1.5s steps(4, end) infinite;
}

@keyframes dots {
    0%, 20% {
        content: ".";
    }
    40% {
        content: "..";
    }
    60%, 100% {
        content: "...";
    }
}