/* =========================
   HORUS GYM – LOGIN
   ========================= */

:root {
    /* Colores */
    --black-abyss: #000000;
    --carbon-shadow: #111111;
    --panel-bg: #050505;
    --steel-gray: #9ca3af;
    --white-pure: #ffffff;

    --power-red: #ff2b2b;
    --power-red-dark: #d41c1c;

    /* Tipografía */
    --font-main: 'Raleway', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;

    /* Radios & sombras */
    --radius-md: 14px;
    --radius-lg: 22px;
    --shadow-soft: 0 18px 45px rgba(0, 0, 0, 0.85);
}

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

html,
body {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
}

body {
    font-family: var(--font-main);
    background: radial-gradient(circle at top, #161616 0, #000000 55%);
    color: var(--white-pure);
    -webkit-font-smoothing: antialiased;
}

/* =========================
   TOPBAR
   ========================= */

.login-topbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 40;
    background: rgba(0, 0, 0, 0.92);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(12px);
}

.login-topbar-inner {
    max-width: 1040px;
    margin: 0 auto;
    padding: 0.55rem 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.login-topbar-left {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.login-topbar-logo {
    width: 30px;
    height: auto;
}

.login-topbar-name {
    font-size: 0.85rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.login-topbar-link {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    color: var(--steel-gray);
    text-decoration: none;
    font-size: 0.85rem;
}

.login-topbar-link:hover {
    color: var(--white-pure);
}

/* =========================
   LAYOUT
   ========================= */

.login-page {
    min-height: 100vh;
    padding-top: 64px; /* compensar topbar */
    display: flex;
    align-items: center;
    justify-content: center;
    padding-bottom: 2rem;
}

.login-shell {
    max-width: 1040px;
    width: 100%;
    margin: 0 1rem;
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    gap: 0;
    border-radius: 28px;
    overflow: hidden;
    background: rgba(0, 0, 0, 0.9);
    box-shadow: var(--shadow-soft);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

/* =========================
   HERO IZQUIERDO
   ========================= */

.login-hero {
    background:
        radial-gradient(circle at top, rgba(255, 43, 43, 0.18), transparent 55%),
        radial-gradient(circle at bottom, rgba(255, 43, 43, 0.12), transparent 65%),
        #050505;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2.5rem 2rem;
    border-right: 1px solid rgba(255, 255, 255, 0.06);
}

.login-hero-inner {
    max-width: 320px;
}

.login-hero-logo-wrap {
    width: 88px;
    height: 88px;
    border-radius: 28px;
    background: radial-gradient(circle at top, #191919 0, #050505 60%);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.3rem;
    box-shadow:
        0 0 24px rgba(255, 43, 43, 0.28),
        0 18px 32px rgba(0, 0, 0, 0.9);
}

.login-hero-logo {
    width: 60%;
    height: auto;
}

.login-hero-title {
    font-size: 1.5rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    margin-bottom: 0.7rem;
}

.login-hero-subtitle {
    font-size: 0.9rem;
    color: var(--steel-gray);
    margin-bottom: 1.2rem;
}

.login-hero-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 0.4rem;
    font-size: 0.85rem;
    color: var(--steel-gray);
}

.login-hero-list li {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.login-hero-list i {
    color: var(--power-red);
    font-size: 0.85rem;
}

/* =========================
   PANEL FORMULARIO
   ========================= */

.login-panel {
    background: #050505;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2.6rem 2.6rem;
}

.login-panel-inner {
    width: 100%;
    max-width: 360px;
}

.login-panel-header h2 {
    font-size: 1.6rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin: 0 0 0.4rem;
}

.login-panel-header p {
    margin: 0 0 1.5rem;
    font-size: 0.9rem;
    color: var(--steel-gray);
}


/* Alertas */

.alert {
    display: none;
    margin-bottom: 1rem;
    padding: 0.65rem 0.9rem;
    border-radius: 10px;
    font-size: 0.85rem;
}

.alert.show {
    display: block;
}

.alert-error {
    background: rgba(255, 43, 43, 0.12);
    border: 1px solid rgba(255, 43, 43, 0.35);
    color: var(--power-red);
}

.alert-success {
    background: rgba(45, 212, 191, 0.12);
    border: 1px solid rgba(45, 212, 191, 0.35);
    color: #6ee7b7;
}

/* Formulario */

.login-form {
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.form-label {
    font-size: 0.85rem;
    color: var(--steel-gray);
}

.input-icon {
    position: relative;
}

.form-input {
    width: 100%;
    padding: 0.7rem 0.9rem 0.7rem 2.4rem;
    border-radius: 10px;
    border: 1px solid #252525;
    background: #0b0b0b;
    color: var(--white-pure);
    font-size: 0.9rem;
    outline: none;
    transition: border 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.form-input::placeholder {
    color: #6b7280;
}

.form-input:focus {
    border-color: var(--power-red);
    background: #050505;
    box-shadow: 0 0 0 1px rgba(255, 43, 43, 0.35);
}

.input-icon i {
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    color: #8a8a8a;
    font-size: 0.95rem;
    pointer-events: none;
}

/* Botón login */

.login-btn {
    margin-top: 1rem;
    width: 100%;
    padding: 0.9rem 1rem;
    border: none;
    border-radius: 999px;
    background: var(--power-red);
    color: var(--white-pure);
    font-weight: 600;
    font-size: 0.95rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    cursor: pointer;
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.9);
    position: relative;
    overflow: hidden;
    transition: background 0.15s ease, transform 0.1s ease, box-shadow 0.1s ease, opacity 0.15s ease;
}

.login-btn:hover:not(:disabled) {
    background: var(--power-red-dark);
    transform: translateY(-1px);
}

.login-btn:disabled {
    opacity: 0.7;
    cursor: default;
}

/* Estado loading */

.btn-text {
    transition: opacity 0.15s ease;
}

.btn-loading {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.15s ease;
}

.login-btn.loading .btn-text {
    opacity: 0;
}

.login-btn.loading .btn-loading {
    opacity: 1;
    pointer-events: auto;
}

.spinner {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.25);
    border-top-color: #ffffff;
    animation: spin 0.7s linear infinite;
}

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

/* Soporte */

.login-support {
    margin-top: 1.2rem;
    font-size: 0.84rem;
    color: var(--steel-gray);
}

.login-support p {
    margin: 0 0 0.2rem;
}

.login-support a {
    color: var(--power-red);
    text-decoration: none;
}

.login-support a i {
    margin-right: 0.3rem;
}

.login-support a:hover {
    text-decoration: underline;
}

.login-footer-copy {
    margin-top: 1.6rem;
    font-size: 0.78rem;
    color: #6b7280;
}

/* TOPBAR – efecto dark glass */
.login-topbar {
    background: radial-gradient(circle at top, rgba(255, 43, 43, 0.14), transparent 55%)
                ,rgba(0, 0, 0, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.9);
}

/* línea suave de brillo en el borde inferior */
.login-topbar::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 1px;
    pointer-events: none;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.4),
        transparent
    );
    opacity: 0.6;
}

/* Botón base: por si no lo tenés ya así */
.login-btn {
    position: relative;
    overflow: hidden;
    isolation: isolate; /* para que el brillo quede dentro */
}

/* Brillo diagonal muy sutil que pasa al hacer hover */
.login-btn::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(
        120deg,
        rgba(255, 255, 255, 0.0) 0%,
        rgba(255, 255, 255, 0.18) 40%,
        rgba(255, 255, 255, 0.0) 80%
    );
    transform: translateX(-120%);
    transition: transform 0.6s ease;
    mix-blend-mode: soft-light;
    pointer-events: none;
    z-index: 0;
}

.login-btn:hover::before {
    transform: translateX(0%);
}

/* hover / active refinados */
.login-btn:hover:not(:disabled) {
    background: var(--power-red-dark);
    transform: translateY(-1px);
    box-shadow: 0 16px 34px rgba(0, 0, 0, 0.85);
}

.login-btn:active:not(:disabled) {
    transform: translateY(1px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.8);
}

/* foco accesible (cuando se navega con tab) */
.login-btn:focus-visible {
    outline: 2px solid rgba(255, 255, 255, 0.7);
    outline-offset: 3px;
}

/* aseguramos que el contenido del botón esté encima del brillo */
.login-btn .btn-text,
.login-btn .btn-loading {
    position: relative;
    z-index: 1;
}


/* =========================
   RESPONSIVE
   ========================= */

@media (max-width: 900px) {
    .login-shell {
        grid-template-columns: minmax(0, 1fr);
        border-radius: 20px;
    }

    .login-panel {
        padding: 2rem 1.6rem;
    }

    .login-hero {
        display: none;
    }
}

@media (max-width: 640px) {
    .login-page {
        padding-top: 56px;
        padding-bottom: 1.2rem;
        align-items: flex-start;      /* antes center */
        justify-content: center;
    }

    .login-shell {
        margin: 1.2rem 0.6rem 1.5rem;  /* baja un poco la card y la separa del fondo */
        border-radius: 18px;
    }

    .login-panel {
        padding: 1.6rem 1.2rem;
    }

    .login-topbar-inner {
        padding: 0.45rem 0.7rem;
    }

    .login-topbar-link {
        font-size: 0.8rem;
    }

    .login-topbar-name {
        display: none; /* dejar solo el iconito en celus */
    }
    
    .login-panel-header h2 {
        font-size: 1.35rem;
        letter-spacing: 0.12em; /* un toque menos de tracking */
    }

    .login-panel-header p {
        font-size: 0.88rem;
    }
}