Webleb - Code-Snippets - HTML-Anmeldeformular mit geometrischem Hintergrund

HTML

<body>
    
    <div class="geometric-shapes">
        <div class="shape hexagon"></div>
        <div class="shape triangle"></div>
        <div class="shape diamond"></div>
        <div class="shape hexagon"></div>
        <div class="shape triangle"></div>
        <div class="shape diamond"></div>
    </div>
    
    
    <div class="wave-container">
        <div class="wave"></div>
        <div class="wave"></div>
        <div class="wave"></div>
    </div>
    
    
    <div class="minimal-particles">
        <div class="dot"></div>
        <div class="dot"></div>
        <div class="dot"></div>
        <div class="dot"></div>
    </div>
    
    
    <div class="subtle-lines">
        <div class="line"></div>
        <div class="line"></div>
    </div>
    
    
    <div class="soft-circles">
        <div class="circle"></div>
        <div class="circle"></div>
    </div>
    
    
    <div class="login-container">
        <div class="login-box">
            <h2 class="login-title">Fazer Login</h2>
            <form>
                <div class="form-group">
                    <label class="form-label" for="email">Email</label>
                    <input class="form-input" type="email" id="email" placeholder="Digite seu email">
                </div>
                <div class="form-group">
                    <label class="form-label" for="password">Senha</label>
                    <input class="form-input" type="password" id="password" placeholder="Digite sua senha">
                </div>
                <button class="login-button" type="submit">Entrar</button>
                <div class="forgot-password">
                    <a href="#">Esqueceu sua senha?</a>
                </div>
            </form>
        </div>
    </div>
</body>

CSS

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

body {
            height: 100vh;
            overflow: hidden;
            background: linear-gradient(135deg, 
                #f0f9ff 0%, 
                #e0f2fe 30%, 
                #bae6fd 60%, 
                #7dd3fc 100%
            );
            position: relative;
        }

/* Formas geométricas flutuantes */
        .geometric-shapes {
            position: absolute;
            width: 100%;
            height: 100%;
        }

.shape {
            position: absolute;
            opacity: 0.6;
            animation: floatSmooth 12s ease-in-out infinite;
        }

/* Hexágonos */
        .hexagon {
            width: 60px;
            height: 34px;
            background: rgba(56, 189, 248, 0.3);
            position: relative;
        }
.hexagon:before,

.hexagon:after {

content: "";

position: absolute;

width: 0;

border-left: 30px solid transparent;

border-right: 30px solid transparent;

}

.hexagon:before {

bottom: 100%;

border-bottom: 17px solid rgba(56, 189, 248, 0.3);

}

.hexagon:after {

top: 100%;

border-top: 17px solid rgba(56, 189, 248, 0.3);

}

/* Triângulos */

.triangle {

width: 0;

height: 0;

border-left: 25px solid transparent;

border-right: 25px solid transparent;

border-bottom: 43px solid rgba(14, 165, 233, 0.4);

}
.shape:nth-child(4) {

top: 10%;

right: 30%;

animation-delay: -2s;

}

.shape:nth-child(5) {

bottom: 20%;

right: 40%;

animation-delay: -6s;

}

.shape:nth-child(6) {

top: 70%;

left: 70%;

animation-delay: -10s;

}

@keyframes floatSmooth {

0%, 100% {

transform: translateY(0px) rotate(0deg);

opacity: 0.6;

}

33% {

transform: translateY(-20px) rotate(120deg);

opacity: 0.8;

}

66% {

transform: translateY(10px) rotate(240deg);

opacity: 0.4;

}

}
.wave {

position: absolute;

bottom: 0;

left: 0;

width: 200%;

height: 100px;

background: linear-gradient(90deg,

transparent,

rgba(56, 189, 248, 0.1),

rgba(14, 165, 233, 0.2),

rgba(56, 189, 248, 0.1),

transparent

);

border-radius: 100px;

animation: gentleWave 15s ease-in-out infinite;

}

.wave:nth-child(2) {

animation-delay: -5s;

opacity: 0.7;

}

.wave:nth-child(3) {

animation-delay: -10s;

opacity: 0.5;

}

@keyframes gentleWave {

0%, 100% {

transform: translateX(-50%) translateY(0px);

}

50% {

transform: translateX(-50%) translateY(-10px);

}

/* Partículas mínimas */

.minimal-particles {

position: absolute;

width: 100%;

height: 100%;

}

.dot {

position: absolute;

width: 4px;

height: 4px;

background: rgba(14, 165, 233, 0.6);

border-radius: 50%;

animation: gentleFloat 20s linear infinite;

}
.dot:nth-child(1) { left: 20%; animation-delay: 0s; }

.dot:nth-child(2) { left: 40%; animation-delay: -5s; }

.dot:nth-child(3) { left: 60%; animation-delay: -10s; }

.dot:nth-child(4) { left: 80%; animation-delay: -15s; }

@keyframes gentleFloat {

0% {

transform: translateY(100vh);

opacity: 0;

}

10%, 90% {

opacity: 1;

}

100% {

transform: translateY(-10vh);

opacity: 0;

}

}
/* Linhas sutis */

.subtle-lines {

position: absolute;

width: 100%;

height: 100%;

}

.line {

position: absolute;

height: 1px;

background: linear-gradient(90deg,

transparent,

rgba(56, 189, 248, 0.3),

transparent

);

animation: subtleGlow 8s ease-in-out infinite;

}

.line:nth-child(1) {

width: 200px;

top: 25%;

left: 15%;

transform: rotate(30deg);

}

.line:nth-child(2) {

width: 150px;

bottom: 35%;

right: 20%;

transform: rotate(-45deg);

animation-delay: -4s;

}
@keyframes subtleGlow {

0%, 100% {

opacity: 0.2;

transform: scale(1);

}

50% {

opacity: 0.6;

transform: scale(1.1);

}

/* Círculos suaves */

.soft-circles {

position: absolute;

width: 100%;

height: 100%;

}
.circle {

position: absolute;

border: 1px solid rgba(56, 189, 248, 0.3);

border-radius: 50%;

animation: breathe 10s ease-in-out infinite;

}

.circle:nth-child(1) {

width: 120px;

height: 120px;

top: 15%;

right: 25%;

}

.circle:nth-child(2) {

width: 80px;

height: 80px;

bottom: 25%;

left: 20%;

animation-delay: -5s;

}
@keyframes breathe {

0%, 100% {

transform: scale(1);

opacity: 0.4;

}

50% {

transform: scale(1.1);

opacity: 0.7;

}

/* Container de Login */

.login-container {

position: relative;

z-index: 10;

display: flex;

align-items: center;

justify-content: center;

height: 100vh;

}

.login-box {

background: rgba(255, 255, 255, 0.95);

backdrop-filter: blur(10px);

border-radius: 16px;

padding: 2.5rem;

width: 400px;

box-shadow:

0 20px 40px rgba(14, 165, 233, 0.15),

0 8px 16px rgba(14, 165, 233, 0.1),

inset 0 1px 0 rgba(255, 255, 255, 0.8);

border: 1px solid rgba(56, 189, 248, 0.2);

transition: transform 0.3s ease;

}

.login-box:hover {

transform: translateY(-2px);

box-shadow:

0 25px 50px rgba(14, 165, 233, 0.2),

0 12px 24px rgba(14, 165, 233, 0.15),

inset 0 1px 0 rgba(255, 255, 255, 0.8);

}
.login-title {

text-align: center;

color: #0c4a6e;

font-size: 1.8rem;

font-weight: 600;

margin-bottom: 2rem;

font-family: 'Arial', sans-serif;

}

.form-group {

margin-bottom: 1.5rem;

}

.form-label {

display: block;

color: #075985;

font-size: 0.9rem;

font-weight: 500;

margin-bottom: 0.5rem;

}
.form-input {
            width: 100%;
            padding: 0.75rem 1rem;
            border: 2px solid rgba(56, 189, 248, 0.3);
            border-radius: 8px;
            font-size: 1rem;
            background: rgba(240, 249, 255, 0.8);
            color: #0c4a6e;
            transition: all 0.3s ease;
            box-shadow: 
                inset 2px 2px 4px rgba(14, 165, 233, 0.1),
                inset -2px -2px 4px rgba(255, 255, 255, 0.8);
        }

.form-input:focus {
            outline: none;
            border-color: #0ea5e9;
            background: rgba(240, 249, 255, 1);
            box-shadow: 
                0 0 0 3px rgba(14, 165, 233, 0.1),
                inset 2px 2px 6px rgba(14, 165, 233, 0.15),
                inset -2px -2px 6px rgba(255, 255, 255, 0.9);
            transform: translateY(-1px);
        }
.login-button {

width: 100%;

padding: 0.875rem;

background: linear-gradient(135deg, #0ea5e9, #0284c7);

color: white;

border: none;

border-radius: 8px;

font-size: 1rem;

font-weight: 600;

cursor: pointer;

transition: all 0.2s ease;

box-shadow:

0 6px 12px rgba(14, 165, 233, 0.3),

0 2px 4px rgba(14, 165, 233, 0.2),

inset 0 1px 0 rgba(255, 255, 255, 0.2);

margin-top: 0.5rem;

}

.login-button:hover {

background: linear-gradient(135deg, #0284c7, #0369a1);

transform: translateY(-2px);

box-shadow:

0 8px 16px rgba(14, 165, 233, 0.4),

0 4px 8px rgba(14, 165, 233, 0.3),

inset 0 1px 0 rgba(255, 255, 255, 0.2);

}
.login-button:active {

transform: translateY(0px);

box-shadow:

0 2px 4px rgba(14, 165, 233, 0.3),

0 1px 2px rgba(14, 165, 233, 0.2),

inset 0 2px 4px rgba(0, 0, 0, 0.1);

}

.forgot-password {

text-align: center;

margin-top: 1.5rem;

}

.forgot-password a {

color: #0ea5e9;

text-decoration: none;

font-size: 0.9rem;

transition: color 0.3s ease;

}
.forgot-password a:hover {

color: #0284c7;

text-decoration: underline;

}

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