:root {
    --font-display: "Plus Jakarta Sans", "Avenir Next", "Segoe UI", sans-serif;
    --font-body: "Manrope", "Segoe UI", sans-serif;
    --bg-image: url("../images/quicktick-bg-light.jpg");
    --bg-overlay: linear-gradient(140deg, rgba(239, 245, 255, 0.95), rgba(229, 241, 255, 0.88));
    --bg-color: #eef4ff;
    --surface: rgba(255, 255, 255, 0.84);
    --surface-strong: rgba(255, 255, 255, 0.96);
    --text-main: #10233f;
    --text-soft: #4a678e;
    --line: rgba(43, 94, 167, 0.2);
    --accent: #2f8cff;
    --accent-alt: #11b9a3;
    --danger: #e34968;
    --shadow-lg: 0 20px 50px rgba(16, 35, 63, 0.16);
    --shadow-md: 0 10px 26px rgba(16, 35, 63, 0.11);
}

html.dark {
    --bg-image: url("../images/quicktick-bg.jpg");
    --bg-overlay: linear-gradient(140deg, rgba(7, 16, 31, 0.9), rgba(8, 24, 46, 0.84));
    --bg-color: #081726;
    --surface: rgba(11, 27, 51, 0.84);
    --surface-strong: rgba(14, 35, 65, 0.95);
    --text-main: #eff6ff;
    --text-soft: #b6cbe7;
    --line: rgba(120, 171, 235, 0.3);
    --accent: #4fa9ff;
    --accent-alt: #3fe0cb;
    --danger: #ff6f8d;
    --shadow-lg: 0 22px 52px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 12px 28px rgba(0, 0, 0, 0.3);
}

html {
    box-sizing: border-box;
    color: var(--text-main);
    background-color: var(--bg-color);
    transition: background-color 0.5s ease, color 0.4s ease;
}

*, *::before, *::after {
    box-sizing: inherit;
}

body {
    margin: 0;
    min-height: 100svh;
    font-family: var(--font-body);
    color: var(--text-main);
    background-image: var(--bg-overlay), var(--bg-image);
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}

.body-container {
    width: min(1960px, 99vw);
    max-width: 1960px;
}

h1, h2, h3, h4 {
    font-family: var(--font-display);
    letter-spacing: -0.02em;
}

/* Nav */

nav.grey.darken-3 {
    background: var(--surface) !important;
    border-bottom: 1px solid var(--line);
    backdrop-filter: blur(14px);
    box-shadow: var(--shadow-md);
}

.nav-wrapper.container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    width: min(1960px, 99vw);
}

body > nav > div > a.brand-logo.center {
    color: var(--text-main);
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    font-family: var(--font-display);
    font-size: 1.65rem;
    font-weight: 700;
    z-index: 1;
}

.sidenav li > a,
nav .sidenav-trigger i {
    color: var(--text-main);
}

nav .sidenav-trigger {
    position: relative;
    z-index: 3;
    margin-left: 0;
}

#mobile-demo {
    background: var(--surface-strong);
    z-index: 1003;
}

#mobile-demo li a:hover {
    background: rgba(74, 148, 255, 0.12);
}

nav i,
nav [class^="mdi-"],
nav [class*="mdi-"],
nav i.material-icons {
    height: auto;
}

nav .brand-logo i,
nav .brand-logo [class^="mdi-"],
nav .brand-logo [class*="mdi-"],
nav .brand-logo i.material-icons {
    margin-right: 0;
}

.nav-wrapper button {
    border: none;
    background: transparent;
}

#theme-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.35rem;
    height: 2.35rem;
    margin-left: auto;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: var(--surface-strong);
    color: var(--text-main);
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    z-index: 3;
}

#theme-toggle:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 20px rgba(17, 185, 163, 0.22);
}

#theme-toggle:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
}

/* Login */

.login-container {
    margin-top: 0;
    width: min(470px, 92vw);
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
}

body.login-page {
    display: flex;
    justify-content: center;
    align-items: center;
    padding-top: 0;
    background-position: top center;
    background-size: cover;
}

.login-container .card {
    border-radius: 24px;
    border: 1px solid var(--line);
    background: var(--surface-strong);
    box-shadow: var(--shadow-lg);
}

.login-container h1,
.login-container .fa-line-chart,
.login-container .lead {
    color: var(--text-main);
}

.login-container .lead {
    font-size: 1.06rem;
    color: var(--text-soft);
}

.login-container .divider {
    background: var(--line);
}

.login-container .btn.red.darken-1 {
    border-radius: 999px;
    background: linear-gradient(120deg, var(--accent), var(--accent-alt));
    color: #f5fbff;
    text-transform: none;
    letter-spacing: 0.02em;
    box-shadow: 0 10px 24px rgba(44, 130, 235, 0.35);
}

.social-card {
    border-radius: 20px;
    border: 1px solid var(--line);
    background: var(--surface-strong);
    box-shadow: var(--shadow-md);
}

.social-title {
    margin: 0 0 0.85rem;
    color: var(--text-soft);
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    font-size: 0.78rem;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 0.9rem;
}

.social-links a {
    width: 2.7rem;
    height: 2.7rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    border: 1px solid var(--line);
    color: var(--text-main);
    background: var(--surface);
    font-size: 1.1rem;
    transition: transform 0.2s ease, background-color 0.2s ease, color 0.2s ease;
}

.social-links a:hover {
    transform: translateY(-2px);
    color: #f5fbff;
    background: linear-gradient(120deg, var(--accent), var(--accent-alt));
}

/* Dashboard layout */

.my-dashboard {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    padding: clamp(0.3rem, 1vw, 0.8rem);
}

.my-dashboard h1.h1-dark {
    text-align: center;
    margin: 0 0 1.15rem;
    color: var(--text-main);
    font-weight: 700;
    font-size: clamp(1.7rem, 4vw, 2.2rem);
}

#projects-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    width: 100%;
    max-width: 1960px;
    gap: 1rem;
}

#rectangle,
#square {
    display: flex;
    flex-direction: column;
    flex: 1 1 48%;
    min-width: 320px;
    gap: 1rem;
}

#project1,
#project2,
#project3 {
    flex: 1;
    border-radius: 22px;
    border: 1px solid var(--line);
    background: var(--surface);
    color: var(--text-main);
    overflow: auto;
    box-shadow: var(--shadow-md);
    max-height: 66vh;
}

.section-title {
    margin: 0;
    padding: 1rem 1rem 0;
    color: var(--text-main);
    font-size: 1.1rem;
    font-weight: 700;
}

/* Tables */

.crypto-table,
.favorites-table {
    width: 100%;
    border-collapse: collapse;
    color: var(--text-main);
}

.crypto-table th,
.favorites-table th {
    position: sticky;
    top: 0;
    z-index: 2;
    padding: 0.86rem 0.75rem;
    background: var(--surface-strong);
    color: var(--text-soft);
    text-transform: uppercase;
    font-size: 0.73rem;
    letter-spacing: 0.04em;
    border-bottom: 1px solid var(--line);
}

.crypto-table td,
.favorites-table td {
    padding: 0.86rem 0.75rem;
    border-bottom: 1px solid var(--line);
    white-space: nowrap;
    font-size: 0.93rem;
}

.crypto-table tbody tr,
.favorites-table tbody tr {
    transition: background-color 0.2s ease;
}

.crypto-table tbody tr:hover,
.favorites-table tbody tr:hover {
    background: rgba(79, 169, 255, 0.09);
}

.fav-icon {
    cursor: pointer;
    transition: transform 0.2s ease, color 0.2s ease;
}

.fav-icon:hover {
    transform: scale(1.08);
}

.fav-icon.fa-solid {
    color: #f6bb32;
}

.fav-icon.fa-regular {
    color: var(--text-soft);
}

/* Notes */

#project3 {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 1rem;
}

#project3 h3 {
    margin: 0;
    color: var(--text-main);
    font-size: 1.35rem;
}

#project3 ul {
    list-style: none;
    padding: 0;
    margin: 1rem 0;
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
}

#project3 li.todoItem {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.8rem;
    padding: 0.62rem 0.82rem;
    border-radius: 12px;
    border: 1px solid var(--line);
    background: var(--surface-strong);
}

#project3 li span {
    color: var(--text-main);
}

#project3 li .del {
    color: var(--danger);
    cursor: pointer;
}

#project3 form {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 0.7rem;
    align-items: center;
}

#project3 form input[type="text"] {
    height: 2.6rem;
    margin: 0;
    border-radius: 999px;
    border: 1px solid var(--line) !important;
    padding: 0 1rem !important;
    background: var(--surface-strong);
    color: var(--text-main);
}

#project3 form input[type="text"]:focus {
    box-shadow: 0 0 0 2px rgba(79, 169, 255, 0.2) !important;
}

#project3 > form > input.submit-input {
    border-radius: 999px;
    border: none;
    min-height: 2.6rem;
    padding: 0 1.1rem;
    background: linear-gradient(120deg, var(--accent), var(--accent-alt));
    color: #f5fbff;
    font-weight: 600;
    cursor: pointer;
}

/* Responsive */

@media (max-width: 940px) {
    #rectangle,
    #square {
        min-width: 100%;
    }

    #projects-container > #square {
        order: -1 !important;
    }
}

@media (max-width: 755px) {
    .my-dashboard h1.h1-dark {
        width: 100%;
    }

    .body-container {
        width: min(1260px, 98vw);
    }

    body > nav > div > a.brand-logo.center {
        font-size: 1.35rem;
    }

    #project3 form {
        grid-template-columns: 1fr;
    }
}