/* index.css */
:root {
    --text: rgba(255,255,255,.92);
    --muted: rgba(255,255,255,.62);
    --line: rgba(255,255,255,.18);
    --glass: rgba(255,255,255,.10);
    --menu: rgba(10,12,18,.90);
    --backdrop: rgba(0,0,0,.50);
    --red: #ff3b3b;
    --input-bg: rgba(255,255,255,.08);
    --input-border: rgba(255,255,255,.20);
}

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

html, body {
    height: 100%;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    color: var(--text);
    overflow-x: hidden;
    animation: bgSwitch 6s ease-in-out infinite;
}

@keyframes bgSwitch {
    0%, 100% { background: #000; }
    50% { background: var(--red); }
}

.wrap {
    position: relative;
    min-height: 100vh;
    display: grid;
    grid-template-rows: auto 1fr;
    padding: 20px;
}

.top {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    height: 60px;
}

/* Burger Button */
.burgerBtn {
    width: 48px;
    height: 48px;
    border: none;
    background: var(--glass);
    border-radius: 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background .2s;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.burgerBtn:hover {
    background: rgba(255,255,255,.15);
}

.burgerIcon {
    width: 22px;
    height: 16px;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.burgerIcon span {
    display: block;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: all .3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.burgerBtn.open .burgerIcon span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.burgerBtn.open .burgerIcon span:nth-child(2) {
    opacity: 0;
}

.burgerBtn.open .burgerIcon span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Logo */
.card {
    align-self: center;
    justify-self: center;
    text-align: center;
}

.logo {
    font-size: clamp(42px, 8vw, 64px);
    font-weight: 900;
    letter-spacing: -1px;
    text-transform: lowercase;
    animation: textSwitch 6s ease-in-out infinite;
}

@keyframes textSwitch {
    0%, 100% { color: var(--red); }
    50% { color: #000; }
}

/* Backdrop */
.backdrop {
    position: fixed;
    inset: 0;
    background: var(--backdrop);
    opacity: 0;
    pointer-events: none;
    transition: opacity .3s;
    z-index: 99;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.backdrop.show {
    opacity: 1;
    pointer-events: all;
}

/* Menu */
.menu {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: min(320px, 85vw);
    background: var(--menu);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-right: 1px solid var(--line);
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 24px;
    z-index: 100;
    transform: translateX(-100%);
    transition: transform .3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.menu.open {
    transform: translateX(0);
}

.menuHead {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--line);
}

.menuTitle {
    font-size: 20px;
    font-weight: 700;
}

.menuClose {
    width: 40px;
    height: 40px;
    border: none;
    padding: 0;
    border-radius: 12px;
    border: 1px solid var(--line);
    background: rgba(255,255,255,.08);
    color: var(--text);
    font-size: 24px;
    line-height: 1;
    cursor: pointer;
    transition: background .2s;
}

.menuClose:hover {
    background: rgba(255,255,255,.14);
}

.menuBody {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.menuLink {
    padding: 14px 16px;
    border-radius: 14px;
    border: 1px solid var(--line);
    background: rgba(255,255,255,.05);
    color: var(--text);
    text-decoration: none;
    text-align: left;
    transition: background .2s;
    font-weight: 500;
    font-size: 16px;
    cursor: pointer;
}

.menuLink:hover {
    background: rgba(255,255,255,.12);
}

.menuFoot {
    margin-top: auto;
    color: var(--muted);
    font-size: 12px;
    text-align: center;
}

/* LOGIN MODAL */
.modal {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.70);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
    opacity: 0;
    pointer-events: none;
    transition: opacity .3s;
    padding: 20px;
}

.modal.show {
    opacity: 1;
    pointer-events: all;
}

.modalBox {
    position: relative;
    width: 100%;
    max-width: 420px;
    background: rgba(10,12,18,.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--line);
    border-radius: 24px;
    padding: 40px 32px;
    transform: scale(0.9);
    transition: transform .3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.modal.show .modalBox {
    transform: scale(1);
}

.modalClose {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 36px;
    height: 36px;
    border: none;
    background: rgba(255,255,255,.08);
    border-radius: 10px;
    color: var(--text);
    font-size: 24px;
    line-height: 1;
    cursor: pointer;
    transition: background .2s;
}

.modalClose:hover {
    background: rgba(255,255,255,.14);
}

.modalView {
    display: block;
}

.modalView.hidden {
    display: none;
}

.modalTitle {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 28px;
    text-align: center;
    color: var(--red);
}

.modalForm {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.inputGroup {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.label {
    font-size: 14px;
    font-weight: 500;
    color: var(--muted);
}

.input {
    width: 100%;
    padding: 14px 16px;
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: 12px;
    color: var(--text);
    font-size: 16px;
    transition: all .2s;
}

.input::placeholder {
    color: rgba(255,255,255,.4);
}

.input:focus {
    outline: none;
    border-color: var(--red);
    background: rgba(255,255,255,.12);
}

.btn {
    width: 100%;
    padding: 16px;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all .2s;
}

.btnPrimary {
    background: var(--red);
    color: #fff;
}

.btnPrimary:hover {
    background: #ff5252;
    transform: translateY(-1px);
    box-shadow: 0 8px 24px rgba(255,59,59,.3);
}

.btnPrimary:active {
    transform: translateY(0);
}

.modalFooter {
    margin-top: 20px;
    text-align: center;
}

.link {
    background: none;
    border: none;
    color: var(--muted);
    text-decoration: none;
    font-size: 14px;
    cursor: pointer;
    transition: color .2s;
}

.link:hover {
    color: var(--red);
}

/* Responsive */
@media (max-width: 480px) {
    .logo {
        font-size: 38px;
    }
    
    .modalBox {
        padding: 32px 24px;
    }
    
    .modalTitle {
        font-size: 24px;
    }
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation: none !important;
        transition: none !important;
    }
}