/* ============================================================
   DR-Games Common Stylesheet
   All pages share this file. Page-specific styles go elsewhere.
   ============================================================ */

/* ----- Design Tokens ----- */
:root {
    /* Core Palette - Deep Ocean theme */
    --bg-deep: #0a0e1a;
    --bg-panel: #111827;
    --bg-terminal: #060a14;
    --border: #1e2d3d;
    --border-light: #2a3f55;

    /* Text - cool silver */
    --text-primary: #c8d6e5;
    --text-secondary: #8899aa;
    --text-muted: #556677;

    /* Accents */
    --green: #3dd68c;
    --green-dim: #1a8855;
    --blue: #3b82f6;
    --blue-dim: #2563eb;
    --orange: #f59e0b;
    --orange-dim: #b45309;
    --red: #ef4444;
    --red-dim: #dc2626;
    --purple: #a78bfa;
    --purple-dim: #7c3aed;
    --gold: #fbbf24;
    --gold-dim: #d97706;
    --cyan: #22d3ee;

    /* Sizing */
    --radius: 6px;
    --radius-sm: 4px;

    /* Font */
    --font-mono: 'Cascadia Code', 'Fira Code', 'Source Code Pro', 'Consolas', 'Courier New', monospace;
    --font-ui: -apple-system, BlinkMacSystemFont, 'Malgun Gothic', 'Segoe UI', sans-serif;
}


/* ==========================================================
   1. Reset & Base
   ========================================================== */

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

html {
    font-size: 18px;
    -webkit-text-size-adjust: 100%;
}

@media (max-width: 1920px) {
    html { font-size: 16px; }
}

@media (max-width: 1440px) {
    html { font-size: 15px; }
}

@media (max-width: 768px) {
    html { font-size: 14px; }
}

body {
    font-family: var(--font-mono);
    background-color: var(--bg-deep);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: var(--blue);
    text-decoration: none;
    transition: color 0.15s ease;
}

a:hover {
    color: var(--cyan);
}

button {
    font-family: inherit;
    font-size: inherit;
    color: inherit;
    background: none;
    border: none;
    cursor: pointer;
    outline: none;
}

input,
textarea,
select {
    font-family: var(--font-mono);
    font-size: inherit;
    color: var(--text-primary);
    background-color: var(--bg-terminal);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    outline: none;
    transition: border-color 0.15s ease;
}

input:focus,
textarea:focus,
select:focus {
    border-color: var(--blue);
}

ul, ol {
    list-style: none;
}

img {
    max-width: 100%;
    display: block;
}

::selection {
    background-color: rgba(92, 168, 245, 0.25);
    color: var(--text-primary);
}


/* ==========================================================
   2. Custom Scrollbar
   ========================================================== */

/* Webkit (Chrome, Edge, Safari) */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

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

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

::-webkit-scrollbar-thumb:hover {
    background: var(--border-light);
}

::-webkit-scrollbar-corner {
    background: var(--bg-deep);
}

/* Firefox */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--border) var(--bg-deep);
}


/* ==========================================================
   3. Form Components
   ========================================================== */

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.form-label {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.form-input {
    width: 100%;
    padding: 0.625rem 0.75rem;
    font-size: 0.875rem;
    color: var(--text-primary);
    background-color: var(--bg-terminal);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-input:focus {
    border-color: var(--blue);
    box-shadow: 0 0 0 2px rgba(92, 168, 245, 0.15);
}

.form-input.error {
    border-color: var(--red);
    box-shadow: 0 0 0 2px rgba(239, 85, 77, 0.15);
}

.form-error {
    font-size: 0.75rem;
    color: var(--red);
    min-height: 1.125rem;
    opacity: 0;
    transform: translateY(-4px);
    transition: opacity 0.15s ease, transform 0.15s ease;
}

.form-error.visible {
    opacity: 1;
    transform: translateY(0);
}

.form-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
    font-weight: 600;
    font-family: var(--font-mono);
    color: var(--bg-deep);
    background-color: var(--green);
    border: 1px solid var(--green);
    border-radius: var(--radius);
    cursor: pointer;
    transition: background-color 0.15s ease, border-color 0.15s ease, opacity 0.15s ease;
    user-select: none;
}

.form-btn:hover {
    background-color: #2ea043;
    border-color: #2ea043;
}

.form-btn:active {
    background-color: var(--green-dim);
    border-color: var(--green-dim);
}

.form-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

.form-btn.btn-secondary {
    color: var(--text-primary);
    background-color: transparent;
    border-color: var(--border);
}

.form-btn.btn-secondary:hover {
    background-color: var(--bg-panel);
    border-color: var(--border-light);
}

.form-btn.btn-secondary:active {
    background-color: var(--border);
}

.form-btn.btn-danger {
    color: #ffffff;
    background-color: var(--red-dim);
    border-color: var(--red-dim);
}

.form-btn.btn-danger:hover {
    background-color: var(--red);
    border-color: var(--red);
}

.form-btn.btn-danger:active {
    background-color: #b62324;
    border-color: #b62324;
}

.form-hint {
    font-size: 0.75rem;
    color: var(--text-muted);
    line-height: 1.4;
}


/* ==========================================================
   4. Modal
   ========================================================== */

.modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 9000;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(0, 0, 0, 0.7);
    animation: overlayFadeIn 0.2s ease;
}

.modal-overlay.hidden {
    display: none;
}

.modal-content {
    width: 90%;
    max-width: 480px;
    max-height: 85vh;
    background-color: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    animation: modalSlideIn 0.2s ease;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.875rem 1rem;
    border-bottom: 1px solid var(--border);
}

.modal-title {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-primary);
}

.modal-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 1.75rem;
    height: 1.75rem;
    font-size: 1.125rem;
    color: var(--text-muted);
    border-radius: var(--radius-sm);
    transition: color 0.15s ease, background-color 0.15s ease;
}

.modal-close:hover {
    color: var(--text-primary);
    background-color: var(--border);
}

.modal-body {
    padding: 1rem;
    overflow-y: auto;
    flex: 1;
}

.modal-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    border-top: 1px solid var(--border);
}


/* ==========================================================
   5. Header Button
   ========================================================== */

.header-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.3125rem 0.625rem;
    font-size: 0.75rem;
    font-family: var(--font-mono);
    color: var(--text-secondary);
    background-color: transparent;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: color 0.15s ease, border-color 0.15s ease, background-color 0.15s ease;
    user-select: none;
}

.header-btn:hover {
    color: var(--text-primary);
    border-color: var(--border-light);
    background-color: var(--bg-panel);
}

.header-btn:active {
    background-color: var(--border);
}


/* ==========================================================
   6. Loading Overlay
   ========================================================== */

.loading-overlay {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    background-color: var(--bg-deep);
    transition: opacity 0.4s ease;
}

.loading-overlay.fade-out {
    opacity: 0;
    pointer-events: none;
}

.loading-spinner {
    width: 2.5rem;
    height: 2.5rem;
    border: 3px solid var(--border);
    border-top-color: var(--green);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.loading-text {
    font-size: 0.9375rem;
    color: var(--text-primary);
    font-weight: 500;
}

.loading-subtext {
    font-size: 0.75rem;
    color: var(--text-muted);
}


/* ==========================================================
   7. Item Rarity Colors
   ========================================================== */

.rarity-common {
    color: var(--text-secondary);
}

.rarity-uncommon {
    color: var(--green);
}

.rarity-rare {
    color: var(--blue);
}

.rarity-epic {
    color: var(--purple);
}

.rarity-legendary {
    color: var(--gold);
}

.rarity-mythic {
    color: var(--red);
}


/* ==========================================================
   8. Text Utility Classes
   ========================================================== */

.text-green {
    color: var(--green);
}

.text-blue {
    color: var(--blue);
}

.text-red {
    color: var(--red);
}

.text-orange {
    color: var(--orange);
}

.text-purple {
    color: var(--purple);
}

.text-gold {
    color: var(--gold);
}

.text-cyan {
    color: var(--cyan);
}

.text-muted {
    color: var(--text-muted);
}

.text-bold {
    font-weight: 700;
}

.gold-text {
    color: var(--gold);
    font-weight: 600;
}

.location-text {
    color: var(--cyan);
    font-weight: 500;
}


/* ==========================================================
   9. Spacing Utilities
   ========================================================== */

.mt-1 {
    margin-top: 0.5rem;
}

.mt-2 {
    margin-top: 1rem;
}

.mb-1 {
    margin-bottom: 0.5rem;
}

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


/* ==========================================================
   10. Hidden Utility
   ========================================================== */

.hidden {
    display: none !important;
}


/* ==========================================================
   11. Animations
   ========================================================== */

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

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

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-12px) scale(0.97);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}


/* ==========================================================
   12. Flash Effects
   ========================================================== */

@keyframes flashGreen {
    0% {
        background-color: rgba(61, 214, 140, 0.3);
    }
    100% {
        background-color: transparent;
    }
}

@keyframes flashRed {
    0% {
        background-color: rgba(239, 85, 77, 0.3);
    }
    100% {
        background-color: transparent;
    }
}

@keyframes flashBlue {
    0% {
        background-color: rgba(92, 168, 245, 0.3);
    }
    100% {
        background-color: transparent;
    }
}

@keyframes flashGoldPulse {
    0% {
        background-color: rgba(236, 184, 61, 0.4);
        box-shadow: 0 0 8px rgba(236, 184, 61, 0.3);
    }
    50% {
        background-color: rgba(236, 184, 61, 0.15);
        box-shadow: 0 0 4px rgba(236, 184, 61, 0.15);
    }
    100% {
        background-color: transparent;
        box-shadow: none;
    }
}

.flash-increase {
    animation: flashGreen 0.6s ease-out;
}

.flash-decrease {
    animation: flashRed 0.6s ease-out;
}

.flash-change {
    animation: flashBlue 0.6s ease-out;
}

.flash-level-up {
    animation: flashGoldPulse 2s ease-out;
}