/* ========================================
   PRACCODE - GLOBAL STYLESHEET
======================================== */

/* 1. CSS VARIABLES */
:root {
    --bg-primary: #080b16;
    --bg-secondary: #101629;
    --bg-card: #151d33;
    --bg-card-hover: #1b2742;

    --color-primary: #6c63ff;
    --color-primary-hover: #827aff;
    --color-secondary: #00d4ff;

    --color-text: #f4f5ff;
    --color-text-muted: #a1a9c3;

    --color-success: #22c55e;
    --color-danger: #ef4444;
    --color-warning: #f59e0b;

    --border-color: rgba(255, 255, 255, 0.09);

    --gradient-primary: linear-gradient(
        135deg,
        #6c63ff,
        #00bfff
    );

    --gradient-background: linear-gradient(
        135deg,
        #080b16,
        #111a35
    );

    --font-primary: 'Inter', Arial, sans-serif;

    --border-radius: 12px;
    --border-radius-large: 20px;

    --transition: 0.3s ease;

    --container-width: 1200px;
}

/* 2. RESET AND BASE STYLES */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 90px;
    font-size: 16px;
}

body {
    min-height: 100vh;
    font-family: var(--font-primary);
    background: var(--bg-primary);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

body,
button,
input,
textarea,
select {
    font-family: var(--font-primary);
}

button,
input,
textarea,
select {
    font-size: inherit;
}

button {
    cursor: pointer;
}

a {
    color: inherit;
    text-decoration: none;
}

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

ul,
ol {
    list-style-position: inside;
}

::selection {
    background: var(--color-primary);
    color: #ffffff;
}

/* 3. SCROLLBAR */
::-webkit-scrollbar {
    width: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: #343d5c;
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary);
}

/* 4. GENERAL CONTAINERS */
.container {
    width: 90%;
    max-width: var(--container-width);
    margin: 0 auto;
}

.section {
    padding: 100px 0;
}

.section-title {
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 800;
    line-height: 1.2;
    text-align: center;
    margin-bottom: 15px;
    letter-spacing: -0.8px;
}

.section-description {
    max-width: 650px;
    margin: 0 auto 45px;
    text-align: center;
    color: var(--color-text-muted);
    font-size: 15px;
    line-height: 1.8;
}

/* 5. TEXT STYLES */
.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

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

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

/* Consistent heading styles */
h1,
h2,
h3,
h4,
h5,
h6 {
    color: var(--color-text);
    line-height: 1.3;
    font-weight: 700;
}

p {
    line-height: 1.7;
}

/* 6. BUTTONS */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 600;
    line-height: 1.4;
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
}

.btn-primary {
    background: var(--gradient-primary);
    color: #ffffff;
    box-shadow: 0 5px 20px rgba(108, 99, 255, 0.2);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(108, 99, 255, 0.35);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--border-color);
    color: var(--color-text);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: var(--color-primary);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--color-primary);
    color: var(--color-primary);
}

.btn-outline:hover {
    background: var(--color-primary);
    color: #ffffff;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* 7. NAVIGATION BAR */

.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    width: 100%;
    min-height: 76px;
    padding: 0 5%;

    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 25px;

    background: rgba(8, 11, 22, 0.92);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);

    border-bottom: 1px solid rgba(139, 92, 246, 0.16);
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.15);
}

/* PracCode Logo */

.logo {
    font-size: 26px;
    font-weight: 850;
    letter-spacing: -1.2px;
    white-space: nowrap;
    color: var(--color-text);
    transition: var(--transition);
}

.logo:hover {
    transform: translateY(-1px);
}

.logo span {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

/* Navigation Links */

.nav-links {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.nav-links a {
    position: relative;
    padding: 10px 16px;
    border-radius: 9px;

    color: var(--color-text-muted);
    font-size: 14px;
    font-weight: 600;
    white-space: nowrap;

    transition:
        color 0.25s ease,
        background 0.25s ease,
        transform 0.25s ease;
}

.nav-links a:hover {
    color: #ffffff;
    background: rgba(139, 92, 246, 0.12);
    transform: translateY(-1px);
}

/* Active Page */

.nav-links a.active {
    color: #ffffff;
    background: rgba(108, 99, 255, 0.2);
    box-shadow: inset 0 0 0 1px rgba(139, 92, 246, 0.25);
}

.nav-links a.active::after {
    content: "";
    position: absolute;
    bottom: 3px;
    left: 50%;
    transform: translateX(-50%);
    width: 18px;
    height: 2px;
    border-radius: 5px;
    background: var(--color-secondary);
}

/* Right-side Navigation Actions */

.nav-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 12px;
    flex-shrink: 0;
}

.nav-actions button {
    width: 40px;
    height: 40px;

    display: grid;
    place-items: center;

    border: 1px solid var(--border-color);
    border-radius: 11px;
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-text);

    transition: var(--transition);
}

.nav-actions button:hover {
    background: rgba(108, 99, 255, 0.18);
    border-color: var(--color-primary);
    transform: translateY(-2px);
}

/* Mobile Menu Button */

.menu-toggle {
    display: none;
    width: 42px;
    height: 42px;

    align-items: center;
    justify-content: center;

    border: 1px solid var(--border-color);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-text);
    font-size: 25px;

    transition: var(--transition);
}

.menu-toggle:hover {
    background: rgba(108, 99, 255, 0.18);
    border-color: var(--color-primary);
}

/* Light Theme Navigation */

[data-theme="light"] .navbar {
    background: rgba(255, 255, 255, 0.94);
    border-bottom-color: rgba(108, 99, 255, 0.15);
}

[data-theme="light"] .nav-links a:hover {
    color: var(--color-primary);
    background: rgba(108, 99, 255, 0.08);
}

[data-theme="light"] .nav-links a.active {
    color: var(--color-primary);
    background: rgba(108, 99, 255, 0.12);
}

[data-theme="light"] .nav-actions button,
[data-theme="light"] .menu-toggle {
    color: var(--color-text);
    background: rgba(108, 99, 255, 0.06);
}

/* 8. CARDS */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-large);
    padding: 25px;
    transition: var(--transition);
}

.card:hover {
    background: var(--bg-card-hover);
    border-color: rgba(108, 99, 255, 0.4);
    transform: translateY(-4px);
}

.card-title {
    font-size: 20px;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 10px;
}

.card-description {
    color: var(--color-text-muted);
    font-size: 14px;
    line-height: 1.7;
}

/* 9. FORM ELEMENTS */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    font-weight: 600;
}

.form-control {
    width: 100%;
    padding: 13px 15px;
    color: var(--color-text);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    outline: none;
    transition: var(--transition);
}

.form-control:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(108, 99, 255, 0.12);
}

.form-control::placeholder {
    color: #737d99;
}

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

/* 10. BADGES */
.badge {
    display: inline-block;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
}

.badge-primary {
    background: rgba(108, 99, 255, 0.15);
    color: #a29dff;
}

.badge-success {
    background: rgba(34, 197, 94, 0.15);
    color: var(--color-success);
}

.badge-warning {
    background: rgba(245, 158, 11, 0.15);
    color: var(--color-warning);
}

/* 11. DIVIDERS */
.divider {
    width: 100%;
    height: 1px;
    background: var(--border-color);
    margin: 25px 0;
}

/* 12. ANIMATIONS */

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(25px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {
    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-12px);
    }
}

@keyframes pulse {
    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

@keyframes blink {
    50% {
        opacity: 0;
    }
}

.animate-fade {
    animation: fadeIn 0.7s ease forwards;
}

.animate-up {
    animation: fadeUp 0.7s ease forwards;
}

.animate-float {
    animation: float 4s ease-in-out infinite;
}

.animate-pulse {
    animation: pulse 2s infinite;
}

/* 13. REVEAL ANIMATION */

.reveal {
    opacity: 0;
    transform: translateY(25px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* 14. TOAST NOTIFICATION */

.toast {
    position: fixed;
    right: 25px;
    bottom: 25px;
    z-index: 2000;
    max-width: calc(100% - 40px);
    padding: 15px 22px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: #ffffff;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    animation: fadeUp 0.3s ease;
}

/* 15. LOADING SPINNER */

.spinner {
    width: 35px;
    height: 35px;
    border: 4px solid rgba(255, 255, 255, 0.1);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* 16. FOOTER */

.footer {
    padding: 35px 0;
    border-top: 1px solid var(--border-color);
    background: var(--bg-secondary);
    text-align: center;
    color: var(--color-text-muted);
    font-size: 14px;
}

/* 17. LIGHT THEME SUPPORT */

[data-theme="light"] {
    --bg-primary: #f5f7ff;
    --bg-secondary: #ffffff;
    --bg-card: #ffffff;
    --bg-card-hover: #f0f1ff;

    --color-text: #171b2e;
    --color-text-muted: #68708a;

    --border-color: rgba(20, 25, 50, 0.12);
}

[data-theme="light"] .menu-toggle {
    color: var(--color-text);
}

/* 18. ACCESSIBILITY */

button:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
    outline: 2px solid var(--color-secondary);
    outline-offset: 3px;
}

/* 19. RESPONSIVE DESIGN */

@media (max-width: 900px) {
    .section {
        padding: 75px 0;
    }

    .nav-links {
        gap: 18px;
    }
}

@media (max-width: 768px) {
    .navbar {
        min-height: 68px;
        padding: 0 5%;
    }

    .menu-toggle {
        display: flex;
        margin-left: auto;
    }

    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;

        display: none;
        flex-direction: column;
        align-items: stretch;
        gap: 7px;

        padding: 18px 5% 22px;

        background: var(--bg-secondary);
        border-bottom: 1px solid var(--border-color);
        box-shadow: 0 15px 25px rgba(0, 0, 0, 0.25);
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links a {
        width: 100%;
        padding: 12px 15px;
    }

    .nav-links a.active::after {
        left: 15px;
        bottom: 50%;
        transform: translateY(50%);
        width: 3px;
        height: 20px;
    }

    .section {
        padding: 60px 0;
    }

    .card {
        padding: 20px;
    }
}

@media (max-width: 480px) {
    .container {
        width: 92%;
    }

    .logo {
        font-size: 22px;
    }

    .btn {
        padding: 11px 18px;
        font-size: 14px;
    }

    .section {
        padding: 50px 0;
    }

    .section-title {
        font-size: 28px;
    }

    .section-description {
        font-size: 14px;
        margin-bottom: 30px;
    }
}

@media (max-width: 400px) {
    .navbar {
        gap: 10px;
    }

    .logo {
        font-size: 21px;
    }

    .nav-actions button {
        width: 36px;
        height: 36px;
    }

    .menu-toggle {
        width: 38px;
        height: 38px;
    }
}

/* 20. REDUCED MOTION */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Consistent navigation icon alignment */
.dashboard-nav a,
.sidebar-nav a,
.dashboard-sidebar a {
    display: flex;
    align-items: center;
    gap: 12px;
}
.dashboard-nav a i,
.sidebar-nav a i,
.dashboard-sidebar a i {
    width: 22px;
    min-width: 22px;
    text-align: center;
    line-height: 1;
}